Mature Market Experts Gem of The Day: How to Be Sure Your Web Page Has Enough Color Contrast for Greatest Legibility

Mature Market Experts: more news and stats you can use on boomers, seniors and the mature market - How to Be Sure Your Web Page Has Enough Color Contrast for Greatest Legibility. The World Wide Web Consortium (W3C), which sets technical standards for the web, has come up with a formula to check that your site has enough contrast between the foreground and background colors, or when viewed in a black and white mode, to ensure legibility - critical when marketing to boomers, seniors, and the mature market.
Several programming companies have taken this a step further and created a formula to automatically adjust foreground colors to pop against background color as it is chosen by the program user. To learn more about this click here.
From the W3C website: “Two colors provide good color visibility if the brightness difference and the color difference between the two colors are greater than a set range.
Color brightness is determined by the following formula:
((Red value X 299) + (Green value X 587) + (Blue value X 114)) / 1000Color difference is determined by the following formula:
(max (Red 1, Red 2) - min (Red 1, Red 2)) + (max (Green 1, Green 2) - min (Green 1, Green 2)) + (max (Blue 1, Blue 2) - min (Blue 1, Blue 2))”There are some fascinating entries here, including evaluating legibility with color blindness (according to W3C one in twenty people have some form of color vision deficiency), low vision and other disabilities - perfect for those marketing to baby boomers, seniors and the mature market. To see the complete list of web accessibility evaluation tools put out by the experts at W3C click here.
Technical stuff, I know, but making sure your designers (both print and web) have an empathy towards the mature market’s vision issues can make all the difference. For a less technical discussion on understanding vision and contrast, here’s a video of me discussing the issue with the marketing group from T. Rowe Price.
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