Disclaimer. Your screen, lighting, viewing distance and vision correction affect this activity. It cannot confirm or rule out color vision differences or determine a clinical vision prescription. Full disclaimer
Color Discrimination
Find the shape hidden in a field of coloured dots.
Start testAbout 2 minutes · demo and practice first
Informal challenge · not a health screening
About this challenge
How many hidden shapes you identify among dotted figures that use uncalibrated screen colours.
DurationAbout 2 minutes
Format6 experimental colour figures, untimed
Device and setupUse your usual vision correction, normal lighting and a comfortable viewing distance.
Accessibility limitsDepends on colour perception by design. Results on this activity are not comparable across screens.
Free resultShapes matched out of 6
PrivacyYour answers are never sent to advertisers. Signed in, your results are saved to your account.