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→Contrast ratio of text and background
===Contrast ratio of text and background===
The contrast ratio of text to background color must be 4.5 or more to meet WCAG guidelines. You can check color combinations with this tool. these tools http://leaverou.github.io/contrast-ratio/or https://webaim.org/resources/contrastchecker/
Be extra careful if you are placing text over an image as the same rules apply.
Visit this article to learn more about changing your systems colors. https://wiki.smartsimple.com/wiki/Branding
