Manual of Traffic Signs
Standard Sign Colors


Red Used for stop and yield signs, multiway supplemental plaques, do not enter and wrong way signs, for legend or symbols on some regulatory signs, and as part of Interstate and some state route markers #FF0000
rgb(255, 0, 0)
Fluorescent Pink Used as background color for incident management signs #FF33CC
rgb(255, 51, 204)
Coral Reserved for future use #CC0033
rgb(204, 0, 51)
Orange Used as background color for temporary traffic control signs #FF6600
rgb(255, 102, 0)
Yellow Used as background color for warning signs (except temporary signs)* #FFCC00
rgb(255, 204, 0)
Fluorescent Yellow-Green Used as background color for pedestrian, bicycle, and school warning signs #99FF00
rgb(153, 255, 0)
Green Used as background color for guide and information signs, and for legend on permissive regulation and parking signs #009900
rgb(0, 153, 0)
Light Blue Reserved for future use #66CCFF
rgb(102, 204, 255)
Blue Used as background color for traveler services information signs, emergency evacuation route signs, and as part of Interstate and some state route markers #0000FF
rgb(0, 0, 255)
Purple Used as background color for electronic toll collection signs #660099
rgb(102, 0, 153)
Brown Used as background color for guide and information signs related to points of recreational or cultural interest #660000
rgb(102, 0, 0)
Black Used as background color for one way, night speed limit, and truck regulatory signs, and as legend color on signs with white, yellow, orange, fluorescent pink, and fluorescent yellow-green backgrounds #000000
rgb(0, 0, 0)
White Used as background color for most regulatory signs and some route markers, and as legend color on signs with red, green, blue, brown, and black backgrounds #FFFFFF
rgb(255, 255, 255)

* In the past, the Manual of Traffic Signs website used #FFFF00 for yellow. This is a fully acceptable shade for yellow, but the webpage and graphics are moving toward the use of #FFCC00 to slightly better match the shade of most common yellow retroreflective sheetings.



Updated 13 September 2017 (recoded for new style sheet)
Scripting: Richard C. Moeur

All text and images on this page © Richard C. Moeur. All rights reserved.
Linked sign layout files in PDF format provided courtesy of FHWA's MUTCD website
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