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/**
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* @providesModule tinycolor
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* @nolint
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*/
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'use strict';
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// TinyColor v1.2.1
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// https://github.com/bgrins/TinyColor
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// Brian Grinstead, MIT License
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var trimLeft = /^[\s,#]+/,
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trimRight = /\s+$/,
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tinyCounter = 0,
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mathRound = Math.round,
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mathMin = Math.min,
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mathMax = Math.max;
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function tinycolor (color, opts) {
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// If we are called as a function, call using new instead
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if (!(this instanceof tinycolor)) {
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return new tinycolor(color, opts);
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}
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color = (color) ? color : '';
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opts = opts || { };
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var rgb = inputToRGB(color);
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this._r = rgb.r,
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this._g = rgb.g,
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this._b = rgb.b,
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this._a = rgb.a,
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this._ok = rgb.ok;
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}
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tinycolor.prototype = {
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toHex8: function() {
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return rgbaToHex(this._r, this._g, this._b, this._a);
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},
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toRgb: function() {
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return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
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},
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isValid: function() {
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return this._ok;
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},
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};
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// Given a string or object, convert that input to RGB
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// Possible string inputs:
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//
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// "red"
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// "#f00" or "f00"
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// "#ff0000" or "ff0000"
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// "#ff000000" or "ff000000"
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// "rgb 255 0 0" or "rgb (255, 0, 0)"
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// "rgb 1.0 0 0" or "rgb (1, 0, 0)"
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// "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
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// "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
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// "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
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// "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
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// "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
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//
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function inputToRGB(color) {
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var rgb = { r: 0, g: 0, b: 0 };
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var a = 1;
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var ok = false;
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var format = false;
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if (typeof color == "string") {
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color = stringInputToObject(color);
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}
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if (typeof color == "object") {
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if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) {
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rgb = rgbToRgb(color.r, color.g, color.b);
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ok = true;
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}
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else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) {
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color.s = convertToPercentage(color.s);
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color.v = convertToPercentage(color.v);
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rgb = hsvToRgb(color.h, color.s, color.v);
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ok = true;
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}
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else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) {
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color.s = convertToPercentage(color.s);
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color.l = convertToPercentage(color.l);
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rgb = hslToRgb(color.h, color.s, color.l);
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ok = true;
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}
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if (color.hasOwnProperty("a")) {
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a = color.a;
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}
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}
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a = boundAlpha(a);
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return {
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ok: ok,
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r: mathMin(255, mathMax(rgb.r, 0)),
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g: mathMin(255, mathMax(rgb.g, 0)),
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b: mathMin(255, mathMax(rgb.b, 0)),
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a: a
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};
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}
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// Conversion Functions
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// --------------------
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// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
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// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
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// `rgbToRgb`
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// Handle bounds / percentage checking to conform to CSS color spec
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// <http://www.w3.org/TR/css3-color/>
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// *Assumes:* r, g, b in [0, 255] or [0, 1]
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// *Returns:* { r, g, b } in [0, 255]
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function rgbToRgb(r, g, b){
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return {
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r: bound01(r, 255) * 255,
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g: bound01(g, 255) * 255,
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b: bound01(b, 255) * 255
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};
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}
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// `hslToRgb`
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// Converts an HSL color value to RGB.
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// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
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// *Returns:* { r, g, b } in the set [0, 255]
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function hslToRgb(h, s, l) {
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var r, g, b;
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h = bound01(h, 360);
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s = bound01(s, 100);
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l = bound01(l, 100);
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function hue2rgb(p, q, t) {
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if(t < 0) t += 1;
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if(t > 1) t -= 1;
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if(t < 1/6) return p + (q - p) * 6 * t;
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if(t < 1/2) return q;
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if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
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return p;
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}
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if(s === 0) {
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r = g = b = l; // achromatic
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}
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else {
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var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
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var p = 2 * l - q;
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r = hue2rgb(p, q, h + 1/3);
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g = hue2rgb(p, q, h);
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b = hue2rgb(p, q, h - 1/3);
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}
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return { r: r * 255, g: g * 255, b: b * 255 };
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}
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// `hsvToRgb`
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// Converts an HSV color value to RGB.
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// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
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// *Returns:* { r, g, b } in the set [0, 255]
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function hsvToRgb(h, s, v) {
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h = bound01(h, 360) * 6;
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s = bound01(s, 100);
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v = bound01(v, 100);
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var i = math.floor(h),
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f = h - i,
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p = v * (1 - s),
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q = v * (1 - f * s),
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t = v * (1 - (1 - f) * s),
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mod = i % 6,
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r = [v, q, p, p, t, v][mod],
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g = [t, v, v, q, p, p][mod],
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b = [p, p, t, v, v, q][mod];
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return { r: r * 255, g: g * 255, b: b * 255 };
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}
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// `rgbaToHex`
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// Converts an RGBA color plus alpha transparency to hex
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// Assumes r, g, b and a are contained in the set [0, 255]
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// Returns an 8 character hex
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function rgbaToHex(r, g, b, a) {
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var hex = [
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pad2(convertDecimalToHex(a)),
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pad2(mathRound(r).toString(16)),
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pad2(mathRound(g).toString(16)),
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pad2(mathRound(b).toString(16))
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];
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return hex.join("");
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}
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// Big List of Colors
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// ------------------
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// <http://www.w3.org/TR/css3-color/#svg-color>
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var names = tinycolor.names = {
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aliceblue: "f0f8ff",
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antiquewhite: "faebd7",
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aqua: "0ff",
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aquamarine: "7fffd4",
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azure: "f0ffff",
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beige: "f5f5dc",
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bisque: "ffe4c4",
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black: "000",
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blanchedalmond: "ffebcd",
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blue: "00f",
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blueviolet: "8a2be2",
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brown: "a52a2a",
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burlywood: "deb887",
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burntsienna: "ea7e5d",
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cadetblue: "5f9ea0",
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chartreuse: "7fff00",
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chocolate: "d2691e",
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coral: "ff7f50",
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cornflowerblue: "6495ed",
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cornsilk: "fff8dc",
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crimson: "dc143c",
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cyan: "0ff",
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darkblue: "00008b",
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darkcyan: "008b8b",
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darkgoldenrod: "b8860b",
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darkgray: "a9a9a9",
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darkgreen: "006400",
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darkgrey: "a9a9a9",
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darkkhaki: "bdb76b",
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darkmagenta: "8b008b",
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darkolivegreen: "556b2f",
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darkorange: "ff8c00",
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darkorchid: "9932cc",
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darkred: "8b0000",
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darksalmon: "e9967a",
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darkseagreen: "8fbc8f",
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darkslateblue: "483d8b",
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darkslategray: "2f4f4f",
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darkslategrey: "2f4f4f",
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darkturquoise: "00ced1",
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darkviolet: "9400d3",
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deeppink: "ff1493",
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deepskyblue: "00bfff",
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dimgray: "696969",
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dimgrey: "696969",
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dodgerblue: "1e90ff",
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firebrick: "b22222",
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floralwhite: "fffaf0",
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forestgreen: "228b22",
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fuchsia: "f0f",
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gainsboro: "dcdcdc",
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ghostwhite: "f8f8ff",
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gold: "ffd700",
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goldenrod: "daa520",
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gray: "808080",
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green: "008000",
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greenyellow: "adff2f",
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grey: "808080",
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honeydew: "f0fff0",
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hotpink: "ff69b4",
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indianred: "cd5c5c",
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indigo: "4b0082",
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ivory: "fffff0",
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khaki: "f0e68c",
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lavender: "e6e6fa",
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lavenderblush: "fff0f5",
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lawngreen: "7cfc00",
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lemonchiffon: "fffacd",
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lightblue: "add8e6",
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lightcoral: "f08080",
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lightcyan: "e0ffff",
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lightgoldenrodyellow: "fafad2",
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lightgray: "d3d3d3",
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lightgreen: "90ee90",
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lightgrey: "d3d3d3",
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lightpink: "ffb6c1",
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lightsalmon: "ffa07a",
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lightseagreen: "20b2aa",
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lightskyblue: "87cefa",
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lightslategray: "789",
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lightslategrey: "789",
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lightsteelblue: "b0c4de",
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lightyellow: "ffffe0",
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lime: "0f0",
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limegreen: "32cd32",
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linen: "faf0e6",
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magenta: "f0f",
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maroon: "800000",
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mediumaquamarine: "66cdaa",
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mediumblue: "0000cd",
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mediumorchid: "ba55d3",
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mediumpurple: "9370db",
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mediumseagreen: "3cb371",
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mediumslateblue: "7b68ee",
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mediumspringgreen: "00fa9a",
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mediumturquoise: "48d1cc",
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mediumvioletred: "c71585",
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midnightblue: "191970",
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mintcream: "f5fffa",
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mistyrose: "ffe4e1",
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moccasin: "ffe4b5",
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navajowhite: "ffdead",
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navy: "000080",
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oldlace: "fdf5e6",
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olive: "808000",
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olivedrab: "6b8e23",
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orange: "ffa500",
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orangered: "ff4500",
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orchid: "da70d6",
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palegoldenrod: "eee8aa",
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palegreen: "98fb98",
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paleturquoise: "afeeee",
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|
|
|
palevioletred: "db7093",
|
|
|
|
|
papayawhip: "ffefd5",
|
|
|
|
|
peachpuff: "ffdab9",
|
|
|
|
|
peru: "cd853f",
|
|
|
|
|
pink: "ffc0cb",
|
|
|
|
|
plum: "dda0dd",
|
|
|
|
|
powderblue: "b0e0e6",
|
|
|
|
|
purple: "800080",
|
|
|
|
|
rebeccapurple: "663399",
|
|
|
|
|
red: "f00",
|
|
|
|
|
rosybrown: "bc8f8f",
|
|
|
|
|
royalblue: "4169e1",
|
|
|
|
|
saddlebrown: "8b4513",
|
|
|
|
|
salmon: "fa8072",
|
|
|
|
|
sandybrown: "f4a460",
|
|
|
|
|
seagreen: "2e8b57",
|
|
|
|
|
seashell: "fff5ee",
|
|
|
|
|
sienna: "a0522d",
|
|
|
|
|
silver: "c0c0c0",
|
|
|
|
|
skyblue: "87ceeb",
|
|
|
|
|
slateblue: "6a5acd",
|
|
|
|
|
slategray: "708090",
|
|
|
|
|
slategrey: "708090",
|
|
|
|
|
snow: "fffafa",
|
|
|
|
|
springgreen: "00ff7f",
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|
|
|
|
steelblue: "4682b4",
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|
|
|
|
tan: "d2b48c",
|
|
|
|
|
teal: "008080",
|
|
|
|
|
thistle: "d8bfd8",
|
|
|
|
|
tomato: "ff6347",
|
|
|
|
|
turquoise: "40e0d0",
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|
|
|
|
violet: "ee82ee",
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|
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|
|
wheat: "f5deb3",
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|
|
|
|
white: "fff",
|
|
|
|
|
whitesmoke: "f5f5f5",
|
|
|
|
|
yellow: "ff0",
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|
|
|
|
yellowgreen: "9acd32"
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Return a valid alpha value [0,1] with all invalid values being set to 1
|
|
|
|
|
function boundAlpha(a) {
|
|
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|
|
a = parseFloat(a);
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|
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|
|
|
|
if (isNaN(a) || a < 0 || a > 1) {
|
|
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|
|
a = 1;
|
|
|
|
|
}
|
|
|
|
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|
|
return a;
|
|
|
|
|
}
|
|
|
|
|
|
|
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|
|
// Take input from [0, n] and return it as [0, 1]
|
|
|
|
|
function bound01(n, max) {
|
|
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|
|
if (isOnePointZero(n)) { n = "100%"; }
|
|
|
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|
|
var processPercent = isPercentage(n);
|
|
|
|
|
n = mathMin(max, mathMax(0, parseFloat(n)));
|
|
|
|
|
|
|
|
|
|
// Automatically convert percentage into number
|
|
|
|
|
if (processPercent) {
|
|
|
|
|
n = parseInt(n * max, 10) / 100;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Handle floating point rounding errors
|
|
|
|
|
if ((Math.abs(n - max) < 0.000001)) {
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Convert into [0, 1] range if it isn't already
|
|
|
|
|
return (n % max) / parseFloat(max);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Parse a base-16 hex value into a base-10 integer
|
|
|
|
|
function parseIntFromHex(val) {
|
|
|
|
|
return parseInt(val, 16);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
|
|
|
|
|
// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
|
|
|
|
|
function isOnePointZero(n) {
|
|
|
|
|
return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Check to see if string passed in is a percentage
|
|
|
|
|
function isPercentage(n) {
|
|
|
|
|
return typeof n === "string" && n.indexOf('%') != -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Force a hex value to have 2 characters
|
|
|
|
|
function pad2(c) {
|
|
|
|
|
return c.length == 1 ? '0' + c : '' + c;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Replace a decimal with it's percentage value
|
|
|
|
|
function convertToPercentage(n) {
|
|
|
|
|
if (n <= 1) {
|
|
|
|
|
n = (n * 100) + "%";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return n;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Converts a decimal to a hex value
|
|
|
|
|
function convertDecimalToHex(d) {
|
|
|
|
|
return Math.round(parseFloat(d) * 255).toString(16);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var matchers = (function() {
|
|
|
|
|
// <http://www.w3.org/TR/css3-values/#integers>
|
|
|
|
|
var CSS_INTEGER = "[-\\+]?\\d+%?";
|
|
|
|
|
|
|
|
|
|
// <http://www.w3.org/TR/css3-values/#number-value>
|
|
|
|
|
var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
|
|
|
|
|
|
|
|
|
|
// Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome.
|
|
|
|
|
var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
|
|
|
|
|
|
|
|
|
|
// Actual matching.
|
|
|
|
|
// Parentheses and commas are optional, but not required.
|
|
|
|
|
// Whitespace can take the place of commas or opening paren
|
|
|
|
|
var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
|
|
|
|
|
var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
|
|
|
|
|
|
|
|
|
|
return {
|
|
|
|
|
rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
|
|
|
|
|
rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
|
|
|
|
|
hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
|
|
|
|
|
hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
|
|
|
|
|
hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
|
|
|
|
|
hsva: new RegExp("hsva" + PERMISSIVE_MATCH4),
|
|
|
|
|
hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
|
|
|
|
|
hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
|
|
|
|
|
};
|
|
|
|
|
})();
|
|
|
|
|
|
|
|
|
|
// `stringInputToObject`
|
|
|
|
|
// Permissive string parsing. Take in a number of formats, and output an object
|
|
|
|
|
// based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
|
|
|
|
|
function stringInputToObject(color) {
|
|
|
|
|
color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
|
|
|
|
|
var named = false;
|
|
|
|
|
if (names[color]) {
|
|
|
|
|
color = names[color];
|
|
|
|
|
named = true;
|
|
|
|
|
}
|
|
|
|
|
else if (color == 'transparent') {
|
|
|
|
|
return { r: 0, g: 0, b: 0, a: 0, format: "name" };
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Try to match string input using regular expressions.
|
|
|
|
|
// Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
|
|
|
|
|
// Just return an object and let the conversion functions handle that.
|
|
|
|
|
// This way the result will be the same whether the tinycolor is initialized with string or object.
|
|
|
|
|
var match;
|
|
|
|
|
if ((match = matchers.rgb.exec(color))) {
|
|
|
|
|
return { r: match[1], g: match[2], b: match[3] };
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.rgba.exec(color))) {
|
|
|
|
|
return { r: match[1], g: match[2], b: match[3], a: match[4] };
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.hsl.exec(color))) {
|
|
|
|
|
return { h: match[1], s: match[2], l: match[3] };
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.hsla.exec(color))) {
|
|
|
|
|
return { h: match[1], s: match[2], l: match[3], a: match[4] };
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.hsv.exec(color))) {
|
|
|
|
|
return { h: match[1], s: match[2], v: match[3] };
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.hsva.exec(color))) {
|
|
|
|
|
return { h: match[1], s: match[2], v: match[3], a: match[4] };
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.hex6.exec(color))) {
|
|
|
|
|
return {
|
|
|
|
|
r: parseIntFromHex(match[1]),
|
|
|
|
|
g: parseIntFromHex(match[2]),
|
|
|
|
|
b: parseIntFromHex(match[3]),
|
|
|
|
|
format: named ? "name" : "hex"
|
|
|
|
|
};
|
|
|
|
|
}
|
|
|
|
|
if ((match = matchers.hex3.exec(color))) {
|
|
|
|
|
return {
|
|
|
|
|
r: parseIntFromHex(match[1] + '' + match[1]),
|
|
|
|
|
g: parseIntFromHex(match[2] + '' + match[2]),
|
|
|
|
|
b: parseIntFromHex(match[3] + '' + match[3]),
|
|
|
|
|
format: named ? "name" : "hex"
|
|
|
|
|
};
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
module.exports = tinycolor;
|
Pieter De Baets
facebook-github-bot-5