tools.color-contrast.previewNormal
tools.color-contrast.previewSmall
tools.color-contrast.previewLarge
17.40:1
tools.color-contrast.aaNormal
tools.color-contrast.requires 4.5:1 tools.color-contrast.pass
tools.color-contrast.aaLarge
tools.color-contrast.requires 3:1 tools.color-contrast.pass
tools.color-contrast.aaaNormal
tools.color-contrast.requires 7:1 tools.color-contrast.pass
tools.color-contrast.aaaLarge
tools.color-contrast.requires 4.5:1 tools.color-contrast.pass
工具说明
線上色彩對比度檢測工具，輸入前景色和背景色，自動計算 WCAG 2.1 對比度比值，判斷是否符合 AA/AAA 無障礙標準。
contrastwcag对比度accessibility无障碍a11y