diff --git a/src/app_service/common/network_constants.nim b/src/app_service/common/network_constants.nim
index ca878253c8..9500004607 100644
--- a/src/app_service/common/network_constants.nim
+++ b/src/app_service/common/network_constants.nim
@@ -111,7 +111,7 @@ var NETWORKS* = %* [
     "fallbackUrl": "https://sepolia.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
     "blockExplorerUrl": "https://sepolia.etherscan.io/",
     "iconUrl": "network/Network=Ethereum",
-    "chainColor": "#51D0F0",
+    "chainColor": "#627EEA",
     "shortName": "eth",
     "nativeCurrencyName": "Ether",
     "nativeCurrencySymbol": "ETH",
@@ -128,7 +128,7 @@ var NETWORKS* = %* [
     "fallbackUrl": "",
     "blockExplorerUrl": "https://sepolia-optimism.etherscan.io/",
     "iconUrl": "network/Network=Optimism",
-    "chainColor": "#51D0F0",
+    "chainColor": "#E90101",
     "shortName": "opt",
     "nativeCurrencyName": "Ether",
     "nativeCurrencySymbol": "ETH",