#COLOUR CONTRAST ANALYSER CHROME MANUAL#
#COLOUR CONTRAST ANALYSER CHROME MAC#
#COLOUR CONTRAST ANALYSER CHROME WINDOWS#

distinguishing elements in a graph with only differently coloured lines.showing required form fields in another colour without any other indication, such as an asterisk.indicating errors simply by highlighting them in red.displaying links in a different colour, but not providing any other visual cues, such as an underline.If colour is the only way that specific information is provided, then this information won’t be available to users who are unable to see or easily differentiate between colours.Įxamples of conveying information by colour alone include:

Success criterion 1.4.1 requires that colour “is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.” WCAG 2.1 success criterion 1.4.1 - Use of colour This includes 3 WCAG 2.1 success criteria related to the use of colour: Web Content Accessibility Guidelines (WCAG) 2.1 New Zealand Government Web Accessibility Standard The New Zealand Government Web Accessibility Standard requires that web pages conform to the Web Content Accessibility Guidelines (WCAG) 2.1. Find one that works for you, you may find that you will use 8-10 tools just to verify one issue.It’s important to consider how you use colour in your online content (web pages, PDFs, or other online material) to ensure that people with colour blindness, colour vision deficiencies, partial sight or low vision, can access all the information in that content.

The tools listed above are only a few tools you should use on a regular basis, other accessibility engineers may use other tools.

To determine what kind of tool you need and how they are able to assist you, see Selecting Web Accessibility Evaluation Tools. This page provides a list of evaluation tools that you can filter to find ones that match your particular needs.

For a complete list of tools visit the W3C Web Accessibility Evaluation Tools List.

Tenon (Tenon.io is an API that facilitates quick and easy JavaScript-aware accessibility testing).

Quail (Accessibility testing in the browser and on the server).

Colour Contrast Analyser (free Firefox extension).

Juicy Studio Accessibility Toolbar (free Firefox extension).

Juicy Studio Tools (free online tools and Firefox extensions).

Accessibility Evaluation Toolbar(free Firefox extension).

Accessibility Developer Tools (for Chrome).

aDesigner (free open source desktop application).

Zoomtext (Screen Magnifier for windows, demo version available).

#COLOUR CONTRAST ANALYSER CHROME MAC#

VoiceOver (Built in Screen Reader, Mac desktop and iPhone/iPod).

NVDA (Free open source Screen Reader for windows).

JAWS (Screen Reader for windows, demo version available).

ChromeVox (screen reader for Chrome and Chrome OS).The Web Accessibility Toolbar (free add on for Internet Explorer).

#COLOUR CONTRAST ANALYSER CHROME WINDOWS#

The Color Contrast Analyser (free desktop application for windows and Mac).aViewer (free desktop application for windows).Accprobe (free open source desktop application).Accessibility Inspector (free Mac application).

#COLOUR CONTRAST ANALYSER CHROME MANUAL#

To assistance in the manual testing process you can use a number of tools and assistive technologies, the following is not a complete list of the tools you can use, but these are the tools currently use on a daily basis be developers make sure their websites are accessible: Tools Courtesy of Section 508 Automated Testing Tools

Colour contrast analyser chrome