Associate
Your boundary is at hue 164, greener than 92% of the population. For you, turquoise is blue.
Poll: Is my blue your blue?
- Thread starter Armageus
- Start date
Soldato
Your boundary is at hue 181, bluer than 85% of the population. For you, turquoise is green
Associate
Your boundary is at hue 188, bluer than 98% of the population. For you, turquoise is green.
Soldato
What you dudes are describing is called tetrachromacy. 'Tetra' means 4, so in this, it means 4 cones. Normal 3-cone vision, 1 cone for each primary colour, understands RGB in a similar way to computer displays that output RGB. In tetrachormacy, you get an extra cone somewhere between green and blue, so that's how shades between green and blue stand out better.
Only girls can have tetrachromacy but not all girls have it. It is in fact pretty rare, like 1 in a few thousand has it.
The opposite to tetrachromacy is red-green colour blindness, where you still have the blue cone but either red or green is missing which is why red/green both appear grey.
I know what it's like to be fully colour blind as it happened to me following a stint of eye operations 2 years ago. Everything was just greyscale, meaning I only had 1 cone active. When my colour vision returned after a few weeks, red was the 1st colour to return, so I could see red ok, but green and blue both looked the same, grey. So that is 2-cone vision. After a few more weeks, I finally had full colour 3-cone vision.
