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.

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
 * The exterior shells of supercomputers are often colored various shades of slate gray.
 * The iPhone 5 and the iPad Mini comes in a dark slate gray colored aluminum body contrasted with black.
 * Western Electric used the term SLATE for the color instead of gray in their 25-pair (and multiples) cable for pairs 5-10-15-20-25.

Transportation Military
 * The S New York City Subway service bullet, used in three out of the system's services, is colored slate gray.
 * The Fleet Air Arm aircraft Temperate Day Scheme in the World War Two was dark slate gray over extra dark sea gray on top sides and Sky on undersides. This scheme was referred as "slime over sludge".