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Discover LudwigThe phrase "colour blind" is correct and usable in written English.
It is typically used to describe a person who cannot distinguish certain colors or to refer to a metaphorical inability to see differences or biases.
Example: "He is colour blind, so he has difficulty distinguishing between red and green traffic lights."
Alternatives: "color vision deficiency" or "color impaired."
Dictionary
colour blind
adjective
Alternative spelling of from=British spelling
Exact(21)
"We're colour blind," he says.
My boyfriend is colour blind.
The algorithm is not colour blind.
Refn, who is colour blind, always goes big on red.
He is colour blind, which explains a lot.
People ask me how I can paint - I'm colour blind.
Similar(39)
All cattle are colour-blind.
God's love is colour-blind.
Are you colour-blind?" enquires Aidan Rush.
"We're completely colour-blind in our casting," he says.
And are there new ways of approaching "colour-blind" casting?
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com