🎨 Colour Vision Test
A 10-plate colour-vision screening in the classic dot-mosaic style, with a verdict for the red–green axis and the rarer blue–yellow one, plus a review of every plate.
Good light & brightness: raise screen brightness, avoid glare on the screen.
Turn OFF night filters: Night Light / Night Shift / f.lux shift colours and break the test.
Sit at arm's length: ~60–75 cm from the screen, look at each plate for a few seconds.
Don't squint or lean in: if you can't see a number after ~5 s, pick “I see no number”.
Every plate is generated fresh on canvas, so no two runs are the same test, and the dots are matched for luminance: only colour can reveal the hidden number. Six plates probe the red–green axis, three the blue–yellow one. A screen test is only a screening: results depend on your display, its colour profile and ambient light — it does not replace an eye-care professional's examination with printed plates or an anomaloscope. If results keep flagging an axis, do get a proper check-up.