- #Colour contrast analyser mac how to
- #Colour contrast analyser mac code
- #Colour contrast analyser mac free
The visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following: (Level AA) NOTE: If your target audience is mostly low vision, then a ratio of 1 to 7 is recommended. The WCAG 2.0 guildine 1.4.3 recommends the following luminosity ratio standard of 1 to 4.5 for main text and 1 to 3 for large-scale text (18 points+, or 14 points+ bold). Usually a low number or ratio indicates too little contrast.
#Colour contrast analyser mac code
In most online tests, you enter in the hexadecimal color code for the foreground (text) and background colors, and the tester generates a numeric result. If you plan to use a subtle color palette, it is recommended that you use a color analyzer to ensure there is sufficient contrast. Examples include contrasting light grey versus middle grey, middle pastels versus darks, or white versus light cyan (blue-green). However, some modern designs are so "subtle" that the contrast can actually be insufficient for some readers. Other colors can be used-such as navy, dark green, or maroon for darks, and pastels for lights-to lessen the contrast. Maximum contrast is black versus white, but this combination can be considered too overwhelming (it might cause glare). Once the check is complete you will see a results page that will list each HTML element on the page and whether or not the colors for that element meet the color contrast requirements of the Web Content Accessibility Guidelines.An important aspect of color on the Web for both low vision and colorblind users is sufficient contrast between foreground (text or graphics) and the background. To check for color contrast using this website, enter the web address of a web page and select Check.
#Colour contrast analyser mac free
When the test is complete, you will see a results page that will list each HTML element on the web page and tell you whether or not the colors for that element meet the color contrast requirements of the Web Content Accessibility Guidelines.Īnother free tool you can use to check for color contrast is the Check My Colours website at. To check the color contrast of a web page using this extension, select Colour Contrast Analyzer on the toolbar, then choose Luminosity Contrast Ratio. This Firefox extension, which is also available on the Quality Assurance section of the Juicy Studio website, will add a toolbar to your Firefox web browser. Juicy Studio has also created a Firefox extension that will let you check the contrast ratios on an entire web page at one time. This is the value you would paste into one of the fields in the Luminosity Contrast Ratio Analyzer on the Juicy Studio website. To copy the hexadecimal value of the color, click on the disclosure triangle next to the color picker and choose the Copy option with the pound symbol (#) on it.
Ensuring sufficient color contrast will make your content easier to see for people with low vision.
#Colour contrast analyser mac how to
This tutorial will show you how to check the color contrast on your web pages.