Get all your news in one place.
100’s of premium titles.
One app.
Start reading
The Guardian - UK
The Guardian - UK
Lifestyle

How can we tell if we see colours in the same way?

Boats in Pokhara, Nepal.
See your true colours? ... boats in Pokhara, Nepal. Photograph: Anthony Carpinelli/Getty Images/EyeEm

Given that we have a naming convention for colours, we all know that blue is blue. So how do we know that if I saw blue through someone else’s eyes, I wouldn’t see it as yellow, or pink etc?
David Snell

Post your answers below or send them (and new questions) to nq@theguardian.com. The best will be published on Friday.

Sign up to read this article
Read news from 100’s of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
43 Actors Who Walked Away From Fame And Never Got It Back
Fans tend to associate actors with the specific characters they play in well-known franchises. Their roles can be so legendary that they practically become those characters. And yet, some stars think that they have outgrown their roles and set out to look for greener pastures. In a discussion sparked online,…
Bored Panda
Bored Panda
Wait – Is Taylor Swift Actually Performing at the Brits This Year?
Wait – Is Taylor Swift Actually Performing at the Brits This Year?
Marie Claire
Marie Claire
Brad Pitt And Angelina Jolie’s Wine Battle Is In Year 4. Are They Close To A ‘Truce’ Yet?
The saga continues.
Cinemablend
Cinemablend
Bianca Belair And Bad Bunny Were Rumored For WrestleMania, But One Now Seems Way More Likely
There are two major updates to share on both.
Cinemablend
Cinemablend
'It has not been retitled, it's called Man of Tomorrow': James Gunn debunks wild rumor that his Superman sequel has a new title
The DC Studios co-chief has responded to a recent report that his Superman follow-up has undergone a title change.
TechRadar
TechRadar
Why You Should Stop Buying Pre-Shredded Cheese
We have all grabbed that bag of shredded cheddar for convenience on taco night. It saves us the time and effort of getting out the grater and cleaning it later. However, that convenience comes with hidden costs that affect both your wallet and your cooking. Once you switch back to…
Grocery Coupon Guide
Grocery Coupon Guide
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.
Download on the AppStore Get it on Google Play