Your task is to say the colour not read the word:

RED

BLUE

GREEN

PINK

BLACK

RED

YELLOW

PURPLE

GREY

ORANGE

Did you find that tricky? Once reading has become automatic, your brain can’t *not* do it. This gives copywriters a power and responsibility when we’re writing text for posters, headlines and subject lines that people just can’t miss.

More about the ‘Stroop effect’ on Wikipedia

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