Examine source code of Light Grey

{
  "description": "Light Matched: Low contrast light theme",
  "manifest_version": 2,
  "name": "Light Matched",
  "icons": {
    "128": "icon.png"
  },
  "theme": {
    "colors": {
      "bookmark_text": [
        102,
        102,
        102
      ],
      "frame": [
        210,
        210,
        210
      ],
      "frame_inactive": [
        210,
        210,
        210
      ],
      "frame_incognito": [
        37,
        0,
        62
      ],
      "frame_incognito_inactive": [
        37,
        0,
        62
      ],
      "ntp_background": [
        223,
        223,
        223
      ],
      "ntp_text": [
        102,
        102,
        102
      ],
      "tab_background_text": [
        124,
        124,
        124
      ],
      "tab_background_text_inactive": [
        152,
        152,
        152
      ],
      "tab_background_text_incognito": [
        134,
        113,
        148
      ],
      "tab_background_text_incognito_inactive": [
        85,
        57,
        105
      ],
      "tab_text": [
        60,
        60,
        60
      ],
      "toolbar": [
        223,
        223,
        223
      ],
      "button_background_hover": [
        207,
        207,
        207
      ],
      "button_background_active": [
        207,
        207,
        207
      ],
      "icons_attention": [
        203,
        75,
        22
      ],
      "popup": [
        223,
        223,
        223
      ],
      "popup_text": [
        102,
        102,
        102
      ],
      "sidebar": [
        223,
        223,
        223
      ],
      "sidebar_text": [
        102,
        102,
        102
      ],
      "sidebar_border": [
        223,
        223,
        223
      ],
      "toolbar_field": [
        236,
        236,
        236
      ],
      "toolbar_field_focus": [
        231,
        231,
        231
      ],
      "toolbar_field_text": [
        60,
        60,
        60
      ],
      "toolbar_field_text_focus": [
        60,
        60,
        60
      ],
      "toolbar_bottom_separator": [
        223,
        223,
        223
      ],
      "toolbar_vertical_separator": [
        207,
        207,
        207
      ],
      "toolbar_field_separator": [
        223,
        223,
        223
      ],
      "tab_line": [
        223,
        223,
        223
      ],
      "tab_loading": [
        203,
        75,
        22
      ],
      "tab_background_separator": [
        207,
        207,
        207
      ]
    }
  },
  "version": "3"
}