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How (not)

to be a jerk to
the colorblind
Stephen Yeargin

@stephenyeargin
What exactly is colorblindness?What exactly is colorblindness?
• Malfunctioning “cones” in
the back of the eye
• Red / Gre...
http://www.webmd.com/eye-health/picture-of-the-eyes
http://en.wikipedia.org/wiki/Retina
Source: http://www.colourblindawareness.org/colour-blindness/
Deuteranopia
Color blindness marked by
confusion of purplish...
Tritanopia
A dichromatism in which
the spectrum is seen in
tones of red and green.
Source: http://www.colourblindawareness...
Protanopia
The spectrum is seen in
tones of yellow and blue
with confusion of red
and green and reduced
sensitivity to
mon...
1:12
1:200
“As many as 8 percent of men and 0.5 percent of
women with Northern European ancestry have the
common form of r...
I hate these things.
😢
😀
0
25
50
75
100
April May June July
0
25
50
75
100
April May June July
😢
😘
Before
After
Color Coded
Text Is Evil. Don’t.
Utterly useless.
Source: https://designshack.net/articles/accessibility/tips-for-designing-for-colorblind-users/
😻
RGB(153, 102, 51)
C49%, M91%, Y0%, K1%
#BABABA
PANTONE 132C
How (not)

to be a jerk to
the colorblind
Stephen Yeargin

@stephenyeargin
❤
How (not) to be a jerk to the colorblind
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How (not) to be a jerk to the colorblind

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Updated presentation given as an Ignite talk at DevOps Days Nashville on Thursday, November 10, 2016.

Published in: Technology
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How (not) to be a jerk to the colorblind

  1. 1. How (not)
 to be a jerk to the colorblind Stephen Yeargin
 @stephenyeargin
  2. 2. What exactly is colorblindness?What exactly is colorblindness? • Malfunctioning “cones” in the back of the eye • Red / Green (4 kinds) • Blue / Yellow (2 kinds) • Full colorblindness
 (2 kinds)
  3. 3. http://www.webmd.com/eye-health/picture-of-the-eyes
  4. 4. http://en.wikipedia.org/wiki/Retina
  5. 5. Source: http://www.colourblindawareness.org/colour-blindness/ Deuteranopia Color blindness marked by confusion of purplish red and green
  6. 6. Tritanopia A dichromatism in which the spectrum is seen in tones of red and green. Source: http://www.colourblindawareness.org/colour-blindness/
  7. 7. Protanopia The spectrum is seen in tones of yellow and blue with confusion of red and green and reduced sensitivity to monochromatic lights. Source: http://www.colourblindawareness.org/colour-blindness/ M ine!
  8. 8. 1:12 1:200 “As many as 8 percent of men and 0.5 percent of women with Northern European ancestry have the common form of red-green color blindness.” Source: https://nei.nih.gov/health/color_blindness/facts_about 👱 👩
  9. 9. I hate these things.
  10. 10. 😢
  11. 11. 😀
  12. 12. 0 25 50 75 100 April May June July 0 25 50 75 100 April May June July 😢 😘
  13. 13. Before After
  14. 14. Color Coded Text Is Evil. Don’t.
  15. 15. Utterly useless.
  16. 16. Source: https://designshack.net/articles/accessibility/tips-for-designing-for-colorblind-users/
  17. 17. 😻
  18. 18. RGB(153, 102, 51) C49%, M91%, Y0%, K1% #BABABA PANTONE 132C
  19. 19. How (not)
 to be a jerk to the colorblind Stephen Yeargin
 @stephenyeargin ❤

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