Scientists claim to have discovered 'new colour' no one has seen ... - BBC
...By stimulating specific cells in the retina, the participants claim to have witnessed a blue-green colour that scientists have called "olo", but some experts have said the existence of a new......
https://www.bbc.co.uk/news/articles/clyq0n3em41o
Only Five People Have Seen This New Impossible Color
...Researchers discover a new color outside the range of human color vision, but you have to laser your retinas to see it...
https://www.scientificamerican.com/article/researchers-discover-new-color-thats-impossible-to-see-without-lasering-your/
Colour vision deficiencies (colour blindness) - aop.org.uk
...People with colour vision deficiencies typically see a reduced range of colours and may find it difficult to distinguish between certain colours. Red-green deficiencies are the most common, while inherited blue-yellow deficiencies are relatively rare....
https://www.aop.org.uk/advice-and-support/for-patients/eye-conditions/colour-vision-deficiencies
Colour vision deficiency (colour blindness) - NHS
...Find out about colour vision deficiency (colour blindness), what the symptoms are, where to get help, what the tests are, the causes, and the treatments....
https://www.nhs.uk/conditions/colour-vision-deficiency/
Truth Has No Colour - Meaning, Origin and Usage
...The proverb ?Truth Has No Colour? means that truth is universal and not affected by race, ethnicity, or background. It emphasizes that honesty and facts remain the same, regardless of who speaks or hears them....
https://twominenglish.com/truth-has-no-colour/
Colour blindness diagnosis and treatment | Specsavers UK
...Colour blindness happens when the colour sensitive cells within the eye aren?t working properly or are missing. Most cases are caused by an inherited genetic condition, usually from the mother?s side....
https://www.specsavers.co.uk/eye-health/colour-blindness
Is black a color or the absence of color? - Color With Leo
...In the visual arts, color is categorized into a few main groups: Primary colors ? Red, yellow and blue. These can?t be created from other colors but all other colors can be mixed from them. Secondary colors ? Orange, green and purple. These are created by mixing two primary colors....
https://www.colorwithleo.com/is-black-a-color-or-the-absence-of-color/
Colour vision deficiency - Resource Library - Sheffield Children's NHS ...
...Colour vision deficiency is a difficulty in distinguishing between colours. This is different from colour blindness which means that someone cannot see any colour at all, and this is very rare....
https://library.sheffieldchildrens.nhs.uk/colour-vision-deficiency/
Is there a hex code for no color? - calendar-uk.co.uk
...Is there a hex code for no color? Black, the absence of any color on a screen display, is the complete opposite, with each color displayed at their lowest possible intensity and a Hex color code of #000000. What is the hex for no color?...
https://www.calendar-uk.co.uk/frequently-asked-questions/is-there-a-hex-code-for-no-color
BBC News - Do you see what I see?
...Scientist Beau Lotto examines why we all see colour differently, using our brains, not our eyes....
https://www.bbc.co.uk/news/science-environment-14421303