How does the online Stroop test work?
Choose a session duration, start the test, and answer each prompt with the ink color while ignoring what the word says. The page summarizes the session when time runs out.
Free color-word test
Stroop Test Online
Choose the ink color, not the word meaning, then review accuracy, wrong answers, and average reaction time for this session.
Mode
Color-word interference. Answer the ink color, not the written word.
Time left
60s
Correct
0
Wrong
0
Total
0
Choose the ink color, not the word meaning.
Prompt
Choose the ink color, not the word meaning.
Choose the ink color
Recent local sessions
Recent sessions are saved in this browser on this device when local storage is available.
No saved Stroop Test sessions on this browser yet. Complete a session to start a local history.
What this exercise asks you to do
Each prompt shows a word in a colored ink. Your task is to choose the ink color, even when the written word names a different color.
Use accuracy and average reaction time to compare your own sessions with the same duration on this browser.
Your results reflect this game, its settings, and this attempt. Compare your own similar sessions — not yourself with a population.
What is a Stroop color-word test?
A color word appears in colored ink. Your task is to identify the ink color while ignoring the word itself. When the word and ink disagree, the prompt is incongruent. You may also see this task described as a colour-word or coloured-words test.
GREEN
Correct answer: Green
BLUE
Correct answer: Red
Example Stroop Test result
Illustrative result — not a target or score standard.
Duration
60s
Correct
34
Wrong
4
Accuracy
89.5%
Average reaction
740ms
A real session result appears on this same page. Compare it only with your own saved sessions that use the same duration.
Stroop test questions
Should I choose the word or the ink color?
Choose the ink color. If the word BLUE appears in red ink, the correct answer is Red.
Is a coloured-words test different?
No. Colour-word test and coloured-words test are common UK-spelling descriptions of the same basic color-word task.
What does the result include?
Each session shows correct answers, wrong answers, accuracy, and average reaction time. Recent sessions are saved only in this browser when local storage is available.
Is this a clinical or diagnostic test?
No. This is an informational and educational self-practice exercise, not a medical assessment, diagnosis, or treatment.
Result boundary
These games are for entertainment and educational self-practice. They are not medical advice, diagnosis, treatment, or a measure of intelligence or ability.