View source for Slate gray

{{Short description|Color}}
{{Use dmy dates|date=November 2022}}
{{infobox color
| title=Slate gray
| hex=708090
| source=[[Web colors#X11 color names|X11]]
| isccname=Grayish blue}}
[[Image:St Fagans Tannery 7.jpg|thumb|Slate roof]]
{| class="infobox" style="width:22em;"
|+ Slate as a tertiary color
|-
|{{legend|#800080|purple}}
|{{legend|#708090|'''slate'''<ref>RGB approximations of RYB tertiary colors, using cubic interpolation.{{cite web |url=http://www.paintassistant.com/rybrgb.html |title=RYB RGB conversion |accessdate=2012-12-29 |url-status=dead |archiveurl=https://web.archive.org/web/20130628074235/http://www.paintassistant.com/rybrgb.html |archivedate=28 June 2013 }} The colors displayed here are substantially paler than the true colors a mixture of paints would produce.</ref>}}
|{{legend|#66B032|green}}
|}

'''Slate gray''' is a [[gray]] color with a slight [[Azure (color)|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.<ref>William J. Miskella, 1928, ''Practical Color Simplified: A Handbook on Lacquering, Enameling, Coloring And Painting'', pp.{{page needed|date=June 2016}}</ref><ref>John Lemos, 1920, "Color Charts for the School Room", in ''School Arts'', vol. 19, pp. 580–584.</ref>

'''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.<ref>Maerz and Paul. ''A Dictionary of Color''. New York: 1930. McGraw-Hill. Page 204; Color Sample of Slate Gray: Page 51, Plate 14, Color Sample A2.</ref>
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==Variations==

===Light slate gray===
{{infobox color
|title=Light slate gray
|hex=778899
|source=[[Web colors#X11 color names|X11]]
|isccname=Grayish blue}}
Displayed at right is the web color '''light slate gray'''.<ref>{{cite web|url=http://www.colorhexa.com/778899|title=Light slate gray|publisher=ColorHexa.com|access-date=14 January 2014|archive-date=5 January 2024|archive-url=https://web.archive.org/web/20240105162342/https://www.colorhexa.com/778899|url-status=live}}</ref>
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===Dark slate gray===
{{infobox color
|title=Dark slate gray
|hex=2F4F4F
|source=[[Web colors#X11 color names|X11]]
|isccname=Dark bluish green}}
Displayed at right is the web color '''dark slate gray'''.<ref>{{cite web|url=http://www.colorhexa.com/2f4f4f|title=Dark slate gray|publisher=ColorHexa.com}}</ref>
{{-}}

==In human culture==
'''Computers'''
[[File:Thinking machines cm2.jpg|thumb|150px|left|Mid-1980s supercomputer Thinking Machines CM-1 (the [[Connection Machine]]) at the [[Computer History Museum]] in [[Mountain View, California|Mountain View]], California. One of the face plates has been partially removed to show the circuit boards inside.]]
[[File:Roadrunner supercomputer HiRes.jpg|thumb|[[IBM Roadrunner]] supercomputer—[[TOP500|the fastest supercomputer in the world]] in May 2008, it could operate at a speed of 1.026 [[petaflops]]|right|175px]]
* The exterior shells of [[supercomputer]]s 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.
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'''Transportation'''
[[File:NYCS-bull-trans-S.svg|thumb|150px|right|The New York City Subway shuttle bullet, used on three [[S (New York City Subway service)|New York City Subway shuttle services]].]]
* The [[S (New York City Subway service)|S]] [[New York City Subway]] service bullet, used in three out of the system's {{NYCS const|routes}} services, is colored slate gray.
'''Military'''
* 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".
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==See also==
* [[List of colors]]

==References==
{{reflist}}

{{Shades of gray|US=yes|state=autocollapse}}

[[Category:Tertiary colors]]
[[Category:Shades of gray]]


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