Gay scalie game dev!

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Cake day: December 31st, 2024

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  • paint and light are different. for light, you are adding colours onto black to make it brighter; for paint, you are subtracting colours from white to make it darker. thus, respectively, additive and subtractive colours.

    red, yellow, and blue being “primary colours” is there because people probably think “magenta” and “cyan” are too complex of concepts to teach young kids. it is cool to have a way to make orange and purple without delving into paint ratios, though. it’s good enough for general use for sure, but if you want to get into colour accuracy for print, CMY is the way to go.

    here’s a quick and simple cheat sheet to help you out!

    additive colours (RGB; screen pixels, LEDs):

    • nothing = black
    • red + green = yellow
    • green + blue = cyan
    • blue + red = magenta
    • red + green + blue = white

    subtractive colours (CMY(K); paint, prints, colouring pencils):

    • nothing = white
    • cyan + magenta = blue
    • magenta + yellow = red
    • yellow + cyan = green
    • cyan + magenta + yellow = black