@import “colours/organisation”; @import “sass-color-helpers/stylesheets/color-helpers/math”; @import “sass-color-helpers/stylesheets/color-helpers/contrast”;

@each $organisation in $all-organisation-brand-colours {

$minimum-contrast: 4.5;
$contrast: ch-color-contrast($white, nth($organisation, 3));

@if ($contrast < $minimum-contrast) {
  @error "Contrast ratio for #{nth($organisation, 1)} too low. #{nth($organisation, 3)} on #{$white} has a contrast of: #{$contrast}. Must be higher than #{$minimum-contrast} for WCAG AA support";
}

}