pub(all) struct Color {
  css : String
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum ContrastRating {
  Fail
  LargeText
  Pass
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct ContrastReport {
  foreground : String
  background : String
  ratio : Int
  rating : ContrastRating
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct Theme {
  name : String
  background : Color
  foreground : Color
  accent : Color
  muted : Color
  padding : 
@dgmxjj/moonbit-posterkit/core.EdgeInsets
EdgeInsets
  title_size : Int
  body_size : Int
  caption_size : Int
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

fn contrast_rating_text(rating : ContrastRating) -> String

fn contrast_ratio(foreground : Color, background : Color) -> Int

fn contrast_report(foreground : Color, background : Color) -> ContrastReport