Odd Color Out
👁
Odd Color Out
A grid of colored tiles is shown. One tile is a slightly different shade. Find it as fast as you can!
The grid gets larger and the color difference gets more subtle as you progress. You have 3 lives.
How It Works:
Level 1-5: 3x3 grid, obvious difference
Level 6-12: 4x4 grid, subtle difference
Level 13-18: 5x5 grid, very subtle
Level 19+: 6x6 grid, nearly invisible
About Color Perception
What This Tests
This test measures your ability to distinguish subtle color differences. It tests your cone cells (color receptors) and visual cortex processing. People with normal color vision can typically reach level 15-18.
Why It Gets Harder
As levels increase, the grid grows larger (more tiles to scan) and the color difference shrinks. Your brain must detect increasingly subtle hue or lightness variations under time pressure.
Factors That Help
Screen brightness and quality matter. Calibrated displays show more subtle differences. Women statistically have slightly better color discrimination due to having more cone types on average.
Real-World Application
Color discrimination is important for designers, artists, photographers, and quality control inspectors. This type of test is also used to screen for color vision deficiencies.