Using four bytes per pixel in a display system. Three-byte True Color (24 bits) are the actual colors, and one additional byte (8 bits) is used for an alpha channel. See 24-bit color, alpha channel, color depth and bit specifications.
"32-bit color." YourDictionary, n.d. Web. 20 August 2018. <http://www.yourdictionary.com/32-bit-color>.
32-bit color. (n.d.). Retrieved August 20th, 2018, from http://www.yourdictionary.com/32-bit-color