Daily colour memory
Afterimage
Hold a colour in your mind after it disappears, then rebuild what you remember.
Round1 / 5
Study time5.0s
Average--
Round 1
Ready to remember?
You will have five seconds with the colour. Once it disappears, rebuild it from memory.
Study5.0
Notice its warmth, brightness and intensity. The values stay hidden.
Hold that thoughtKeep the colour in mind
Ignore the interruption. Your colour is coming back from memory, not the screen.
From memory
Rebuild the colour.
rgb(128, 128, 128)
There is no timer now. Trust the colour you remember.
Round result
0%
Memory matched.
rgb(0, 0, 0)rgb(0, 0, 0)
Red 0
Green 0
Blue 0
Lower channel differences mean a more accurate memory.
Round 1 is ready.
Perception becomes memory
The colour is easy. Keeping it is hard.
Every round shortens the study time and adds a stronger interruption. Your score measures the RGB distance between the vanished colour and the one you reconstructed.