# Colour Spaces

*Module of the free GPU.js GPGPU course · 5 tasks*

Leaving RGB: perceptual luminance, the hue wheel, and why a channel that wraps breaks ordinary arithmetic.

## Tasks

1. [Three Greys, One Pixel](https://gpu.rocks/learn/colour-spaces-8d79c6af/1.md)
2. [Hue, Saturation, Value](https://gpu.rocks/learn/colour-spaces-8d79c6af/2.md)
3. [The Midpoint of 350° and 10°](https://gpu.rocks/learn/colour-spaces-8d79c6af/3.md)
4. [Select by Colour](https://gpu.rocks/learn/colour-spaces-8d79c6af/4.md)
5. [Payoff: What Colour Is This Picture?](https://gpu.rocks/learn/colour-spaces-8d79c6af/5.md)

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Interactive version: https://gpu.rocks/learn/colour-spaces-8d79c6af