tools/style_variable_generator/colors_test.json5

{
  colors: {
    google_grey_900: "#202124",
    cros_default_text_color: {
      light: "$google_grey_900",
      dark: "rgb(255, 255, 255)",
    },
    cros_toggle_color: {
      light: "rgba($cros_default_text_color_rgb, 0.1)"
    }
  },
}