How the online color hue test works

Select the differently colored square before the timer runs out. The game cycles through red, yellow, green, cyan, blue and magenta families, making the distinction more subtle as levels advance.

What does the color breakdown mean?

The result shows your correct selections and accuracy for each color family tested. An untested color is marked as such, not presented as 100% accurate. This is an HSL-based game, not a calibrated Farnsworth–Munsell test or an eye examination.

Display gamut, color profiles, brightness and ambient lighting can change the appearance of the same digital color. Use consistent conditions for personal comparisons.