What is Level A success criteria?
The success criteria at Level A are designed to be the easiest to meet, without much impact on the website design or structure. For example, at Level A you aren’t allowed to identify something by color alone, like “Press the green button to proceed”.
What is Level A AA AAA in accessibility?
WCAG 2.0 guidelines are categorized into three levels of conformance in order to meet the needs of different groups and different situations: A (lowest), AA (mid range), and AAA (highest).
What are WCAG success criteria?
The guidelines are organized under 4 principles: perceivable, operable, understandable, and robust. For each guideline, there are testable success criteria. The success criteria are at three levels: A, AA, and AAA. The success criteria are what determine “conformance” to WCAG.
What is AAA compliance?
AAA compliance is viewed as the gold standard level of accessibility. To reach this level, you must meet all A and AA criteria and the contrast requirements between foreground and background are higher and even more strict. Basically, you can only use very dark colors on a very light background and vice versa.
What is AA and AAA in contrast ratio?
AA – This is the sweet spot for text sizes below ~18pt. This is a score of at least 4.5 . AAA – This is enhanced contrast with a score of at least 7.0 . Think longer form articles that will be read for a significant period of time.
What is AAA contrast?
WCAG Level AAA requires a contrast ratio of at least 7:1 for normal text and 4.5:1 for large text. Large text is defined as 14 point (typically 18.66px) and bold or larger, or 18 point (typically 24px) or larger.
What is an acceptable contrast ratio?
A contrast ratio of 3:1 is the minimum level recommended by [ISO-9241-3] and [ANSI-HFES-100-1988] for standard text and vision.
What is AAA normal?
What does AAA contrast mean?
AAA. AAA means that your text has a contrast ratio of at least 7.0. For example, 595959 text on a ffffff background and vice versa.
What is AAA color?
The hexadecimal color code #aaaaaa / #aaa is a medium light shade of gray. In the RGB color model #aaaaaa is comprised of 66.67% red, 66.67% green and 66.67% blue. In the HSL color space #aaaaaa has a hue of 0° (degrees), 0% saturation and 67% lightness. This color has an approximate wavelength of 0 nm.