How do web developers create web pages that are accessible for individuals who are color blind?
The most common form of color blindness is red-green (the inability to distinguish between the color red and green). There is a wide range of variability within this group ranging from mild to extreme. The second most common form is blue-yellow, and a red-green deficit is almost always associated with this form. The colors blue, yellow, green and red are commonly used on Internet and Intranet web pages. It is the contrast of the colors that affect how individuals who are color blind view the web page.