Appearance
const hexToRgba = (hex, opacity) => {
let rgbaColor = "";
let reg = /^#[\da-f]{6}$/i;
if (reg.test(hex)) {
rgbaColor = `rgba(${parseInt("0x" + hex.slice(1, 3))},${parseInt(
"0x" + hex.slice(3, 5)
)},${parseInt("0x" + hex.slice(5, 7))},${opacity})`;
}
return rgbaColor;
}