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#Colour contrast analyser mac how to#
#Colour contrast analyser mac for mac#
#Colour contrast analyser mac install#
#Colour contrast analyser mac download#

If you have any problems with or questions about Contrast-Finder, please contact us: Contribute to Contrast-FinderĪll contributions are warmly welcome ! Translation, correction, bug report, new feature…įeel free to play with source code, or discuss in the forum.Having sufficient contrast between foreground and background colours is an essential part of usability in general and accessibility in particular. Nevertheless, color options may be (strongly) different from the initial color. This is the backup algorithm, in case the first one gives no result. (Color distance is computed on on a mathematical basis, which may vary from a designer point of view.)įor some color combinations, the algorithm may not give any result in such a case, use the other algorithm. It offers color options really close to the initial color. Gimme / The algorithms “Valid colors and very close to initial color” The color you choose will be modified until we find a valid color. It is either the text or background color. WCAG 2.0 - Contrast (Enhanced): success criteria 1.4.6 (Level AAA).WCAG 2.0 - Contrast (Minimum): success criteria 1.4.3 (Level AA).

#Colour contrast analyser mac how to#

The 24px criteria can be understood as equivalent of 18pt or 150% or 1.5em.įor a full and exhaustive understanding of how to interpret text size, one should read the defintion of large-scale text from WCAG.

The 19px criteria can be understood as equivalent of 14pt or 120% or 1.2em.

Text not bold + text size 24px: ratio = 3įor level AAA the logic is the same, only the ratio increases in the the following way:.

Two elements (size and bold) gives four combinations:

Level of accessibility wanted: AA or AAA.

How to choose a ratio? It depends on the following elements: This field works just like the text color field.

You can also use a short syntax like 255,255,255, which be interpreted as rgb(255,255,255).

#Colour contrast analyser mac download#

Color with RGB values Color Contrast Analyzer Download Free You can also use this field without the # character, so FFF or FFFFFF works perfectly. Please note that #ABC works also, we automatically complete the field with #AABBCC. Color with hexadecimal values Free Color Contrast AnalyzerĮxample: #AABBCC. Color Contrast Analyzer Firefox Color keywordĮxample: Black, Silver, YellowGreen, MediumPurple.Īuthorised values are those listed in CSS color keywords (from CSS level 1 to CSS level 4). The input value is then previewed on the right of the field. You can fill in this field with color keyword, an hexadecimal value, or an RGB value. App name: Colour Contrast Analyser App description: colour-contrast-analyser (App: Colour Contrast Analyser.app).

#Colour contrast analyser mac install#

Install Colour Contrast Analyser on Mac OSX.

To install the toolbar, download the setup file comtab. Webmaster version JavaScript file is available here: colourmapWebmaster.zip.

#Colour contrast analyser mac for mac#

Colour contrast analyser for Mac (CCA-3.1.1.dmg) Additional info: About the Colour Contrast Analyser and How to use the Colour Contrast Analyser.

Download Colour Contrast Analyser - An intuitive and powerful application that helps you check the contrast ratio for foreground and background color combinations, and simulate color blindness modes. Get Colour Contrast Analyser alternative downloads. Trusted Mac download Colour Contrast Analyser 2.4. The Contrast-Finder interface is a form with five mandatory fields. When the contrast is not valid, the main target is to suggest some correct colors contrasts.Ĭontrast-Finder is designed to be used by webdesigners, web developers or web accessibility professionals to improve the readability of HTML pages and websites. Contrast-Finder is a tool which computes the contrast between two colors (background, foreground) and checks if the contrast is valid.