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Software Engineering vocabulary · Web, Mobile and Interface Development

Contrast ratio

Meaning in software engineering, with examples

nounCommon term

In software engineering, contrast ratio means: A number that compares the brightness of text with the brightness of its background; high ratios such as 7:1 are easier to read than low ones such as 2:1.

In Turkish: kontrast oranı

How it is used

WCAG level AA asks for at least 4.5:1 for normal text and 3:1 for large text. Designers and developers check colors with contrast checkers or in the browser's developer tools.

Example sentences

  1. The light grey text on white has a contrast ratio of only 2.8:1.

  2. We darkened the brand blue to reach a 4.5:1 contrast ratio.

Common collocations

  • color contrast
  • meet the contrast ratio
  • low contrast
  • contrast checker
  • accessibilityThe practice of making websites usable by everyone, including people who are blind or deaf, have limited movement or use assistive technology.
  • CSSCascading Style Sheets: the language that controls how HTML looks, including colors, fonts, spacing, layout and animations.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Web, Mobile and Interface Development

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