createRGBA(alpha = 1) {
        const len = this.actualColor.length;
        const temp = this.actualColor.split("").slice(5, len - 1).join("").split(',');
        if (alpha.toString() === "NaN") return `rgba(${temp[0]}, ${temp[1]}, ${temp[2]}, 1)`;
        return `rgba(${temp[0]},${temp[1]},${temp[2]},${alpha})`;
    }
@memberof VariableLed
fn to set the rgba value of the color
@return {JSON}