package color

Unreleased

0.3.0

• Update version constraints (OCaml 4.08.0)

• Added support for OkLab & Oklch color models

• Massive API changes:

  • Rgba renamed to Rgb

  • Rgba' renamed to Rgb_float

  • Hsla renamed to Hsl

  • All those modules + Ok have the same API (ColorRep)

  • Lightness & contrast checking now use Oklch

  • brighness and relative_luminance merged in lightness function

  • [de]saturate renamed to [des]intensify

• Added random function (random hue, optional alpha lightness and chroma)

0.2.0

• Switch to using types from Gg

• Parse CSS hex color representation

• Add some basic colors (black, white and graytone)

• Add utilities to modify a color

  • rotate_hue (Rotates the hue of a color by given angle)

  • complementary (Rotates hue by 180 degree)

  • lighten (Lightens a color by given amount)

  • darken (Darks a color by given amount)

  • saturate (Increases saturation by given amount)

  • desaturate (Decreases saturation by given amount)

  • light (tells if a color is perceived as light)

  • contrast_ratio (returns contrast ratio between colors)

  • relative_luminance (returns luminance of a color)

  • brightness (returns perceived brightness of a color)

  • readable (checks if a text color is readable on a backgroun)

  • text_color (returns a suitable text color for given background color)

0.1.0

Initial release.

• Conversion function from hsl, hsla, rgb, rgba, rgb', rgba'

• Converts color representation to hexstring