Identify the INK COLOR, not the word! Select the color the text is displayed in.
How to Play
A color word appears written in a different ink color
Select the button matching the INK COLOR, not the word meaning
Respond quickly and accurately within the time limit
Core Rule: Choose the Ink Color
If the word 'RED' is written in blue ink, the correct answer is BLUE. Don't read — see the color!
Core Rule: Speed & Accuracy
Faster and more accurate responses earn higher scores. Running out of time counts as incorrect.
Rules
A color name appears written in a different ink color.
Select the INK COLOR of the text, not what the word says.
If you don't respond within the time limit, it counts as incorrect.
Tip
Don't read the word — focus only on the color
Consciously suppressing reading is the key skill
Use congruent trials (word matches color) to build your rhythm
The Stroop task (1935) is one of the most cited paradigms in cognitive psychology. It measures frontal lobe inhibitory control, and meta-analyses confirm that inhibitory control training effectively improves executive function.
Stroop (1935) - Color-word interference effect
Diamond & Ling (2016) - Effects of inhibitory control training