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It is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide sufficient contrast when viewed by someone having color deficits.

Create your document in plain text -- a format that can be read and written anywhere, anytime, on any computer. Organize your thoughts by what they mean, not how they look on the page. Your writing tool shouldn't distract you with a laundry list of choices that have nothing to do with meaning. Style your work in a way that flows naturally from the organization of your ideas. You've composed naturally without the distraction of styling, now let the styling follow naturally from your composition. Share your work - in plain text that can be read and edited anywhere, in HTML, the universal language of the web, or in PDF, a format created for documents you want to print out and hold in your hands.

Share your work - in plain text that can be read and edited anywhere, in HTML, the universal language of the web, or in PDF, a format created for documents you want to print out and hold in your hands.

This tool analyzes a web page, searching for characteristics that search engines could consider spam

Color calculatorConverts color data to different color standards (RGB, CMYK, L*ab, L*ch, L*uv, Hunter, XYZ etc.). All the math implemented in this calculators is available in the math/formulas page.