Color Check for ADA image compliance Color Check in an interactive tool for validating web image compliance with ADA (Americans with Disabilities Act) contrast and readability standards. This page is currently available only for desktop browsers.To use Color Check, please increase the width of your browser window. Drag and drop image to upload We recommend first watching our YouTube instructional video on using this tool. To run ADA validation, upload new image to dashed area on the left. Reset colors Re-upload image Reset image scaling Background, RGB: Background, RGB 1 r2 g2 b2 Foreground, RGB: Background, RGB 2 Color selection r1 g1 b1 We recommend first watching our YouTube instructional video on using this tool. To run ADA validation, upload new image to dashed area on the left. Click on uploaded image to select two colors being compared. First click will select background color color, second click will select foreground color. You can zoom in and out of the image to get more precise color values by using mouse scroll wheel. To reset zoom, position, or upload a new image, use buttons on the left. ColorCheck is just one of the tools we use for comprehensive ADA compliance testing and remediation. Result: Are colors ADA compliant? Contrast Ratio: Ideally, contrast ratio should be higher than 7 Please note that PNGs with transparency can produce incorrect results.