Color blind user
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Color blindness is the inability to distinguish between some colors. About 8-10% of males and 0.5% of females have some form of color blindness, making it important for web designers to consider. The most common type is red-green color blindness. Websites should use variations in brightness, test interfaces in grayscale, and consider tools that filter for color blindness to ensure usability for colorblind users. Examples of good practices include high color contrast and avoiding relying solely on color to convey information.
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Color blind user
- 1. Web Design for Color Blind Users
- 2. Introduction Color Blindness Why should we consider this issue? How can we create a assessable site for the colorblind? Examples of油websites Conclusions Q & A REFERENCES
- 3. Color blindness is inability to perceive differences between some of the colors Hereditary genetic disorder 玉8 to 10 % men & 0.5 % women
- 4. Primary (Red, Green, Blue) colors What are the primary colors ? By mixing together various amounts of red, green and blue light, you can make almost any color. The most common examples of this are television screens and computer monitors.
- 5. Types color blindness Monochromacy Rod monochromacy (Achromatopsia) Cone monochromacy Dichromacy Protanopia Deuteronopia Tritanopia Trichromacy Protanomaly Deuteranomaly Tritanomaly
- 6. Web site accessible A high percentage of users 玉 Ranked well with the search engines professional Targeting smartphones, and similar technological devices
- 7. Testing 1- Test 1 Test 2 2- Color Scheme Designer 3- Test the Image 4- Colorblind Web Page Filter
- 8. Good Examples Google Humble Indie Bundle
- 9. Bad Examples www.bbc.co.uk/sport/football/tables www.google.ca/analytics
- 10. Good Color Combinations Bad Color Combinations
- 11. Graphs and Maps 油
- 13. Color blindness is inability to distinguish among some color combinations. colorblind about 8-10% of males and 0.5% of females, so it is common enough to be an important factor in a high degree of design. The color combinations red-green color blindness is the most common, followed by color blindness, yellow and blue. To avoid problems for users with color blindness, make sure that the distinctive color objects. Using variations in brightness to make the colored areas distinct, and test your interfaces in some website has special tool and grayscale to confirm that they are still usable.
- 14. WIKI Link : https://dal.ca.campuspack.net/Groups/CSCI_6606_- _Human_Factors_in_On-Line_Information_Systems_- _2013/Seminar_Presentations_-_CSCI_6606/Color_Blindness_and_Web_site
- 15. Berson EL. Visual function testing: clinical correlations. In: Tasman W, Jaeger EA, eds. Duane's Foundations of Clinical Ophthalmology 15th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2009:chap 14. Brettel, H., Vienot, F. & Mollon, J.D. (1997). Computerized simulation of color appearance for dichormats. Journal of the Optical Society of American A, 14, 10. 2647-2655. Newman, Chuck (2000). Considering the Color-Blind. Web Techniques. Parise, Mario (2005). Color Theory for the Color-Blind. Digital Web Magazine. 油