Function rgb

rgb(r, g, b, a?): RgbColor
Creates an instance of RgbColor.
Parameters
- r: number
  red channel
- g: number
  green channel
- b: number
  blue channel
- Optional a: number
  optional alpha channel (range 0 to 1 including)
Returns RgbColor
- Defined in packages/ckeditor5-dom-support/src/RgbColor.ts:270