Skip to content

2bweb.biz Significance of Accessibility

Services
Information
Content

Quick reference: Web Content Accessibility Guidelines (WCAG) 2.0

Success criterion 1.4.1 - Use of Color

Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. (Level A)

Note: This success criterion addresses color perception specifically. Other forms of perception are covered in Guideline 1.3 including programmatic access to color and other visual presentation coding.

Display success criteria:

Currently 61 of 61 Success Criteria are being displayed.

Principles, guidelines and success criteria

Principle 1 - Perceivable - Information and user interface components must be presentable to users in ways they can perceive.

Guideline 1.1 - Text Alternatives

Guideline 1.2 - Time-based Media

Guideline 1.3 - Adaptable

Guideline 1.4 - Distinguishable

Principle 2 - Operable - User interface components and navigation must be operable.

Guideline 2.1 - Keyboard Accessible

Guideline 2.2 - Enough Time

Guideline 2.3 - Seizures

Guideline 2.4 - Navigable

Principle 3 - Understandable - Information and the operation of user interface must be understandable.

Guideline 3.1 - Readable

Guideline 3.2 - Predictable

Guideline 3.3 - Input Assistance

Principle 4 - Robust - Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.

Guideline 4.1 - Compatible

Conformance Requirements

In order for a Web page to conform to WCAG 2.0, all of the following conformance requirements must be satisfied:

More about [External link in german language]Accessible web design