Gives the HSLA (hue, saturation, lightness, alpha/opacity) values of a color.
Hue— Ranges from 0 to 1. 0 is red, 1/3 is green, and 2/3 is blue.
Saturation— Ranges from 0 (grayscale) to 1 (fully colorful).
Lightness— Ranges from 0 (black) to 1 (fully bright).
Opacity— Ranges from 0 (fully transparent) to 1 (fully opaque).
Keywords: alpha, brightness, channel, chroma, luma, luminance, tone, transparent