contrast ratio

noun

ratio of the luminance of white to that of black of a display. A higher value means a higher contrast of white and black.

Meanings

nouncontrast ratio (plural contrast ratios)

plural contrast ratios

  1. engineeringratio of the luminance of white to that of black of a display. A higher value means a higher contrast of white and black.

Origin

contrast meaning the difference of white and black + ratio.

Full word history & related roots →

Translations

Chinese Mandarin 對比度 /对比度
  • 對比度 /对比度 (duìbǐdù)ratio of luminances of white and black
French rapport de contraste
  • rapport de contrasteratio of luminances of white and black
Japanese コントラスト比
  • コントラスト比 (kontorasuto hi)ratio of luminances of white and black
Korean 명암비, 콘트라스트비
  • 명암비 (myeong'ambi)ratio of luminances of white and black
  • 콘트라스트비 (konteuraseuteubi)ratio of luminances of white and black
Cite this entry
APA

contrast ratio. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/contrast%20ratio

MLA

“contrast ratio.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/contrast%20ratio. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “contrast ratio,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/contrast%20ratio.

Source: contrast ratio on Wiktionary, CC BY-SA 4.0.