Colour news
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EveryRang

The colour lab

Cerulean (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.

Cerulean (Crayola)#1DACD62.3Pacific blue#1CA9C94.7Maximum blue#47ABCC6.1Blue (Weezer Blue Album cover)#189BCC8.1Weezy Blue#189BCC8.1Cyan (process)#00B7EB8.7Blue (Munsell)#0093AF9.9Process Cyan#00B9F211.3United Nations blue#009EDB13.7Carolina blue#56A0D313.8Sora-iro空色#4D8FAC14.5Vivid sky blue#00CCFF14.5

Harmonies

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

Contrast with text

White text 2.82:1fails
Black text 7.44:1passes 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.