chromium/ios/chrome/browser/ntp/ui_bundled/resources/Assets.xcassets/ntp_background_color.colorset/Contents.json

{
  "info" : {
    "version" : 1,
    "author" : "xcode"
  },
  "colors" : [
    {
      "idiom" : "universal",
      "color" : {
        "color-space" : "display-p3",
        "components" : {
          "alpha" : "1.000",
          "red" : "0xED",
          "green" : "0xF4",
          "blue" : "0xFE"
        }
      }
    },
    {
      "idiom": "universal",
      "appearances": [
        {
          "appearance": "luminosity",
          "value": "dark"
        }
      ],
      "color": {
        "color-space": "display-p3",
        "components": {
          "alpha": "1.000",
          "red" : "0x20",
          "green" : "0x21",
          "blue" : "0x24"
        }
      }
    }
  ]
}