chromium/chrome/test/data/extensions/theme_tabcontrast/manifest.json

{
   "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1P1I1EQSqVS1eIEFWGNSvEuKHSb1iJZMhIubqZF7cAEnZkF9BzTfvW46p3Nbr/2U4I7z7ndFK2nuEJPsA6p/GNJmIyqjTN7Pv9tjGUW0i5sDteB6ohCpuLrmBU9SjSdR9TI1lm6Q3N6+GcrYmL/Jm6he6CB7h0Fs1rSNO53z/9rB9J7tm9YmmsBi91J4PIrW+njhOIe+rtM2+xVTZBsvIreLFCsDTo3jlqdx5ZmaDBIlBCmp7JA7YSaBVgPVlYAKuV9g18ye25Y7bE62OyOHjhnBQAee2MXm+6T3cmCWQqOe62K2sZmtBwnlq08nxtb8pJSHaah16q6JJEqNPlimcwIDAQAB",
   "manifest_version": 2,
   "name": "tabcontrast",
   "theme": {
      "colors": {
        "background_tab": [0, 0, 0],
        "tab_background_text": [0,0,0],
        "background_tab_inactive": [50,50,50],
        "tab_background_text_inactive": [50,50,50],
        "background_tab_incognito": [100,100,100],
        "tab_background_text_incognito": [150,150,150],
        "background_tab_incognito_inactive": [250,250,250],
        "tab_background_text_incognito_inactive": [250,250,250]
      }
   },
   "version": "0.0.1"
}