Perception or perception?

The Science of Why No One Agrees on the Color of This Dress in WIRED Magazine.
An interesting article about color perception.

• Watch the video “How to use color swatches and palettes in Adobe InDesign”Just start at 2.20.

When to Use Spot Colors Versus Process Colors (Or Both)

ColorHexa.com is a free color tool providing information about any color and generating matching color palettes for your designs (such as complementary, analogous, triadic, tetradic or monochromatic colors schemes).

Just type any color value in the search field and ColorHexa will offer a detailed description and automatically convert it to its equivalent in Hexadecimal, RGB, CMYK, HSL, HSV, CIE-LAB / LUV / LCH, Hunter-Lab, XYZ, xyY and Binary.