Is the contrast ratio at least 4.It’s a good idea to choose an off-white background color rather than a white background to aid on-screen reading.Ĭheck text and background color combinations on the page, using a color contrast checking tool: Be aware also that for some people, especially people with dyslexia, a very high contrast color scheme can make reading more difficult. There are color-contrast tools that can help you test color pairs for contrast and adjust the values as necessary.
Make sure that the contrast ratio between text color and background color is at least 4.5:1. Verdana is a naturally large font, so a 12 point can work well. Ariel is common font, but Tahoma and Verdana are often used and were specifically designed for online usage. Online a sans serif font is much easier to read, but keep the size at 12 -14 points. This example shows two color combinations: one that has a low contrast ratio and one that has a high contrast ratio. Bright royal blue is the most common color used. The same goes for icons and situations where highlighting is used to draw attention (such as the hover effects on links). When text contrasts poorly with its background, it makes reading more difficult, especially for people with low vision.
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