hexToRGB(hex, alpha) {
const r = parseInt(hex.slice(1, 3), 16);
const g = parseInt(hex.slice(3, 5), 16);
const b = parseInt(hex.slice(5, 7), 16);
if (alpha) {
return `rgba(${r}, ${g}, ${b}, ${alpha})`;
} else {
return `rgb(${r}, ${g}, ${b})`;
}
}