Slate gray



Slate gray is a gray color with a slight azure tinge that is a representation of the average color of the material slate. As a tertiary color, slate is an equal mix of purple and green pigments.
Slaty, referring to this color, is often used to describe birds.
The first recorded use of slate gray as a color name in English was in 1705.

Variations

Light slate gray

Displayed at right is the web color light slate gray.

Dark slate gray

Displayed at right is the web color dark slate gray.

In human culture

Computers
in Mountain View, California. One of the face plates has been partially removed to show the circuit boards inside.
supercomputer—the fastest supercomputer in the world in May 2008, it could operate at a speed of 1.026 petaflops|right|175px
Transportation