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The colour lab

Sea green (Crayola)

What is this colour called?

The closest names in the swatch book, nearest first. The number is the distance in CIE Lab space: under 2 is hard to tell apart by eye.

Sea green (Crayola)#00FFCD2.1Technobotanica#00FFBF6.7Aquamarine#7FFFD416Caribbean green#00CC9916.5Medium aquamarine#66DDAA17.8Turquoise blue#00FFEF19.7Android green#3DDC8422.8mediumspringgreen#00FA9A23.4Medium spring green#00FA9A23.4Turquoise#40E0D023.8Mountain Meadow#30BA8F25mediumaquamarine#66CDAA26

Harmonies

ComplementaryIts opposite on the wheel
AnalogousIts neighbours
TriadicThree evenly spaced
Split complementaryEither side of its opposite
TintsLighter
ShadesDarker

Contrast with text

White text 1.35:1fails
Black text 15.5:1passes AAA

Ratios follow the WCAG 2 formula. 4.5:1 is the usual minimum for body text.

Through colour-blind eyes

Typical vision
Protanopia
Deuteranopia
Tritanopia
No colour

A simulation. Real colour vision varies from person to person.

The weekly palette

Every Monday: seven colours you may not know, what the world is wearing this week, and one idea about colour.