#RGB #e44 #RGBA #f717 #RRGGBB #f59e0b #RRGGBBAA #eab30877 0xRRGGBB 0x84CC16 0xAARRGGBB 0x7722C55E css rgb rgb(16 185 129) css hsl hsl(173.41 0.8039 0.4) css oklch oklch(0.7148 0.1257 215.22) tailwind bg-sky-500
let a = color(99, 102, 241, 255);
let b = floatColor(0.55, 0.36, 0.96, 0.50);