Examine source code of Water Theme

{
  "name": "Water Theme",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "2-crop.jpeg"
    },
    "colors": {
      "frame": "rgba(242, 242, 242, 0)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0.19)",
      "bookmark_text": "rgba(35, 41, 41, 1)",
      "toolbar_field": "rgba(245, 245, 245, 0.73)",
      "toolbar_field_text": "rgba(53, 58, 59, 1)"
    }
  }
}