University of Minnesota Duluth block M and wordmark


 
 A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z
 
The World Fact Book -- CIA
EU Countries
 
 
Google advanced
Google scholar
Google images
Google Translate
 
Google URL Shortener
 
Wikipedia
Wiktionary
 
UMD Library Catalog

. Friday, 29 March 2024, 09:14 (09:14 AM) CDT, day 089 of 2024 .
World Food and Water Clock
Canvas
TR HomePage
TR Courses
BBC News / The Fifth Floor -- BBC World Service /
The Gardian News / The Telegraph /
Anthropology in the News
Weather


Search the site

(all TR courses and web pages)

OWL logo, Online Writing Lab, Purdue University.
Wikipedia:

Colorblilndness
Color Perception Test
Color
Grayscale
List of monochrome and RGB palettes
RGB
Truecolor
-
     Books      
     
  Bibliography  
     
  Biography   
     
  Dictionaries  
     
  The World Fact Book -- CIA  
     
  Encyclopedia  
     
  Foreign Language Resources  
     
  Glosseries  
     
  Maps and Atlases  
     
  General Reference   
     
  Thesauri  
     
  Wikipedia  
     
  Wiktionary  
   
  Writing

In the News . . .

Strawberries optical illusion

No, not red.
"There is not a single red pixel in this picture, but yet the strawberries appear red"


 #TheDress

#TheDress

Crayola options from 1903 to 2010. (Courtesy of Stephen Von Worley)

Crayola options from 1903 to 2010.
(Courtesy of Stephen Von Worley)

Crayons and Choice: A Headache in 120 Colors -- NPR (26 January 2010)

Ask Marilyn banner.

Do men and women see color the same way, or are women more sensitive to variation and intensity?
—Leo Campbell, Portland, Ore.

The only difference is that color blindness affects about 20 times as many males as females.
(2 March 2008)

Perception Coloured by Language -- Nature (3/3/08)

     

Colorblind test image.

Colorblind test image.


RICK SAPHIRE'S TEST



© 1998 - 2023 Timothy G. Roufs — All rights reserved   Envelope: E-mail
Page URL: http:// www.d.umn.edu /cla/faculty/troufs/reference/color.html
Site Information / Disclaimers ~ Main A-Z Index


View Stats 

© 2024 University of Minnesota Duluth
The University of Minnesota is an equal opportunity educator and employer.
Last modified on 07/13/22 10:54 PM
University of Minnesota Campuses
Crookston | Duluth | Morris
Rochester | Twin Cities