Examine source code of Material Oceanic

{
  "name": "Material Oceanic",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(49, 69, 73, 1)",
      "tab_background_text": "rgba(109, 128, 138, 1)",
      "toolbar": "rgba(59, 73, 80, 1)",
      "bookmark_text": "rgba(109, 128, 138, 1)",
      "toolbar_field": "rgba(38, 50, 56, 1)",
      "toolbar_field_text": "rgba(235, 159, 180, 1)"
    }
  }
}