What is RGB Color?

The RGB model shows overlapping red, green, and blue. When all three colours overlap, they form white.

Introduction to RGB Color The RGB color system is one of the most well-known color systems in the world, and perhaps the most ubiquitous. As an additive color system, it combines red, green, and blue light to create …

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What is Delta E or ΔE

Two orange swatches are shown side by side. They different slightly in colour.

Delta E, ΔE or dE, is a way of measuring the visible difference, or error between two colors mathematically. It is very useful for sorting “closeness” of paints to a scanned sample and has obvious applications …

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What is HEX?

HEX is just an alternative method of communicating RGB colors. Instead of each of the red, green and blue channels being represented by numbers from 0 to 255, they are represented in the hexadecimal number system, 00 to …

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What is CMYK Color?

Introduction to CMYK Color The CMYK color model, also known as process color, was first popularized at the turn of the 20th century. After extensive experimentation in the 1800’s, it was found that cyan, magenta, and yellow inks …

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What is HSL Color?

A colour wheel depicting values and hues

Introduction to the HSL Color System One of the most common ways to communicate color is through visual systems like charts, where each color has its own unique set of co-ordinates. For example, the RGB …

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