![colour contrast analyser chrome colour contrast analyser chrome](http://i1.ytimg.com/vi/UCO7EiJvdz0/maxresdefault.jpg)
Just enter a foreground and background colour and separate verdicts are displayed for large and small text. You don't need to understand the low-level technicalities to find this useful. The program gives you a pass/fail assessment using WCAG 2.0 color contrast success criteria. The simplest allows checking text foreground and background colours to determine its legibility.
#Colour contrast analyser chrome full#
Providing a relative luminance (lightness) difference of 3:1 or greater can make the image more distinguishable when the person does not see a full range of colors and does not use assistive technology. This can be exacerbated if the person has a color vision deficiency that lowers the contrast even further. People with low vision often have difficulty perceiving images that have insufficient contrast.
![colour contrast analyser chrome colour contrast analyser chrome](https://lamerkomp.ru/soft21/16/CCA.jpg)
The objective of this technique is to help ensure that when an image is used to convey information or functionality even given a text-based alternative, it has sufficient contrast. See New Low Vision SC to set baseline contrast for images & icons that convey information #3 Description New Low Vision SC needed similar to Success Criterion 1.4.3 (Contrast (Minimum). This technique relates to any technology that uses images that convey meaning. Addressing survey comments to make it a WCAG 2.1 SC: (LVTF SC ISSUE) New Low Vision SC to set baseline contrast for images and icons that convey information.Accessibility Requirements for Low Vision Users.SC to set baseline contrast for images & icons that convey information Laura Carlson.WCAG WG Thread: Icon Fonts and contrast.WCAG WG Thread: Color Contrast (was RE: Coming to a decision on 2.2 - which has long since been lost in this thread).Re: Technique volunteers needed - Laura Carlson.Technique volunteers needed Technique volunteers needed - Joshue O Connor.GitHub Issue 96: graphics contrast is unmentioned (except as exceptions).