Contrast Incrementor
— Last update Sep 8, 2007 — Installed 125 times.| Script Summary: Some Web 2.0 websites use light gray text on a white background which is not very readable. This script increases the contrast of texts on hard to read websites. |
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Example
Yesterday I once again encountered a website that used low-contrast text. I was so annoyed by that, that I coded a little script to increase contrast.
The script computes the contrast ratio of the text on the webpage and increases it, if the ratio is below a certain threshold.
You should probably change your GreaseMonkey settings to only apply this script to websites that really need it (e.g. www.apple.com, mypersonaldiscovery.com, etc.).
Also, the script doesn’t work on all websites. I only took a few hours to code it, so you will surely find lots of room for improvement. Improve it as you wish.
Cognitive psychologists have shown several times that a low contrast between foreground and background color decreases reading speed and visual search performance with computer displays (see e.g. publications by Ziefle).
