isAccessibleOn method

bool isAccessibleOn(
  1. Color background, {
  2. double minRatio = 4.5,
})

Returns true if this color has sufficient contrast against background for WCAG AA compliance (default ratio 4.5:1).

Colors.white.isAccessibleOn(Colors.blue) // true/false

Implementation

bool isAccessibleOn(Color background, {double minRatio = 4.5}) =>
    contrastRatio(background) >= minRatio;