@sanity/ui/src/theme/build/lib/color-fns/rgba.ts

The Sanity UI components.

import {parseColor} from './parse'

/**
 * @internal
 */
export function rgba(color: unknown, a: number): string {
  const rgb = parseColor(color)

  return `rgba(${rgb.r},${rgb.g},${rgb.b},${a})`
}