Color Evaluation Tool

To evaluate the color contrast characteristics of your desired colors, try out this JavaScript based tool. For more information about color and accessibility, see Colors and Accessibility Issues in the Resources and Information section of this site.

Foreground color:
Background color:

Results of Test

Are Colors Compliant?
Brightness Difference (should be >= 125):
Color Difference (should be >= 500):

Based on the JavaScript used in the Hewlett Packard Color contrast verification tool.

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Contact Details

John Foliot

Program Manager

Stanford Online Accessibility Program

450 Serra Mall, Suite 320, Stanford, CA, USA, 94305

Work: (650) 862-4603