color
Tutorial

How to play

A color flashes on screen. It disappears, and you’re left with three sliders to recreate it from memory.

  1. 1
    Watch the color
    A square fills the screen for a few seconds. Try to lock it in your mind — the hue first, then how vivid and bright it feels.
  2. 2
    Dial it in
    Three sliders appear: Hue (the color family), Saturation (how vivid), and Brightness. Drag each one until your color matches what you saw.
  3. 3
    See your score
    Your guess is compared to the target using a perceptual model. Hue is where most of the points live — getting that right matters most.
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