app/javascript/react/utils/hexToRGB.ts
function hexToRGBA(hex: string, opacity: number): string {
hex = hex.replace("#", "");
var r = parseInt(hex.substring(0, 2), 16);
var g = parseInt(hex.substring(2, 4), 16);
var b = parseInt(hex.substring(4, 6), 16);
return `rgba(${r}, ${g}, ${b}, ${opacity})`;
}
export default hexToRGBA;