A study to determine the relative effectiveness (visibility) of red, orange, yellow, green and blue, under certain specified conditions.
- 1 January 1940
- journal article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology
- Vol. 26 (1) , 124-128
- https://doi.org/10.1037/h0060716
Abstract
"When the colors . . . are seen in very dim light [.25 foot candle] without contrast effect, orange is the most effective color. Its advantage is greatest when compared with blue, next with red, then green, and least yellow. Red is superior to blue, but inferior to the other four colors. Yellow is more effective than blue, red, and green in the order here indicated, while green is more effective than blue but ranks below the other four. Blue shows the least visibility of all." (PsycINFO Database Record (c) 2006 APA, all rights reserved)Keywords
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