Daily Mail

How good is YOUR colour perception? Deceptively difficult test tasks you with finding the boundary between two shades – so, how far can you get?

It's something that most of us learn as toddlers. But a new test will have you questioning everything you thought you knew about colours. The 'What's My JND?' test shows you two colours and asks you ...
Hosted on MSN

How good is your colour perception? Take the deceptively difficult test

It's something that most of us learn as toddlers. But a new test will have you questioning everything you thought you knew about colours. The 'What's My JND?' test shows you two colours and asks you ...
The Mirror

Fewer than 1% of people can pass this colour perception test

You may think that your eyesight is pretty good, but it turns out that distinguishing between colours and shades may be harder than you think. Online optical retailer Lenstore asked 2,000 UK residents ...
THE WEEK

Ishihara test: what is colour blindness, and how can you get tested?

Colour blindness affects approximately one in 12 men and one in 200 women, which equates to 4.5 per cent of the population or around 2.7 million people in the UK, according to campaign group Colour ...