Color Hue Test
Sort each row into a smooth gradient between the two fixed end colours. The fewer caps out of place, the finer your hue discrimination.
Tap a cap, then tap another in the same row to swap them. The end caps are fixed. You can also drag a cap to a new place in its row.
Red to yellow
Green to blue-green
Blue to purple
How to play
- Tap a cap to pick it, then tap another cap in the same row to swap them.
- The first and last cap of each row are fixed.
- When all three rows look smooth, tap “Check my score”.
What the score means
Each cap is scored by how far it sits from its correct neighbours, the same rule the Farnsworth-Munsell 100 hue test uses. Zero is a perfect score. The score per row shows which part of the spectrum is hardest for you.
Hue discrimination varies between people with normal colour vision and tends to decline with age. Screen quality and lighting also change the result, so a high score is not a diagnosis.
Questions about the hue test
Is this the Farnsworth-Munsell 100 hue test?
No. It is a shorter test built on the same idea: 30 caps instead of 85, on a screen instead of under a standard lamp. Use it to compare yourself over time or with friends.
Can this test show colour blindness?
A very high score in one row can hint at a deficiency, but it cannot name the type. Use the 20-plate test or the D-15 test for that.
Sources
- National Eye Institute. Color Blindness. nei.nih.gov
Want to know your type and severity? Take the 20-plate test.
Start the color blind test