Inadequate Color Contrast

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Revision as of 15:22, 7 December 2017 by Carpenti (Talk | contribs)

How to utilize adequate color contrast within your web-based content.

Without sufficient color contrast between font and background, people who are color blind or have low vision may not benefit from the information. And using color alone to convey meaning will leave those who are color blind or blind unable to interpret the meaning.


Examples of Inadequate Text Color Contrast

Example of inadequate color contrast


versus

Adequate color contrast

Using color can enhance the meaning of an important passage.

However, be careful to choose colors for the text that contrast well with the page.

Wrong


Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


versus


Right


"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."


Typically Wordpress and Canvas will automatically format your page with adequate color contrast

However, if you wish to change the color of your text on your site here are some directions


To change the color of your text within Canvas:

  1. Highlight the text you want to change to another color.
  2. Click on the Text color icon (letter "A" at left in the toolbar).
  3. Click on a color in the drop-down menu to apply it to the text.


To change the color of your text within Wordpress:

  1. Highlight the text you want to change to another color.
  2. Select the icon for Toggle Toolbar
  3. Click on the Text color icon (letter "A" at left in the toolbar).
  4. Click on a color in the drop-down menu to apply it to the text.


Tools:

WebAim Color Contrast Checker The WebAim Color Contrast Checker is a free site that can check the legibility of text and image by comparing the color of the text against the color of the background.

Colour Contrast Analyser The Colour Contrast Analyser (CCA) helps you determine the legibility of text and the contrast of visual elements, such as graphical controls and visual indicators.


Inadequate Color Contrast in Images

Sometimes when including images with text the color of the text contrasted against the images, can make the text illegible. Here are some examples of images with adequate color contrast, and inadequate color contrast.


Inadequate color contrast between the text and the image


Adequate Color Contrast between text and image