Gallery
Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.
Additive Color Mixing
Overlap red, green, and blue light and change the lamp to see that an object's color comes from the light it reflects.
by Anonymous
Color Perception Test
Spot the odd tile, order colors from darkest to lightest, and match a target with two sliders to sharpen your eye for tiny brightness differences.
by Anonymous
Stroop Test
Tap the ink colour rather than the word it spells for sixty seconds and feel the Stroop effect fight your hand.
by Anonymous