Isaac Muse facelessuser

Random color harmony generator.

Available harmonies are:

This implements the gamut mapping algorithm according to CSS Level 4 specification.

from coloraide.gamut import Fit
from coloraide.util import NaN


class OklchChroma(Fit):
    """Lch chroma gamut mapping class."""

	inputs = ['red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet']
	colors = Color.steps(inputs, steps=10, space='srgb')
	HtmlRow(colors)
	HtmlRow([c.filter('brightness', 0.5).clip() for c in colors])
	HtmlRow([c.filter('saturate', 0.5).clip() for c in colors])
	HtmlRow([c.filter('contrast', 1.2).clip() for c in colors])
	HtmlRow([c.filter('opacity', 0.5).clip() for c in colors])
	HtmlRow([c.filter('invert', 1).clip() for c in colors])
	HtmlRow([c.filter('hue-rotate', 90).clip() for c in colors])
	HtmlRow([c.filter('sepia', 1).clip() for c in colors])

	"""CAM16 class."""
	import math
	from coloraide.spaces import Space, Labish
	from coloraide.distance import DeltaE
	from coloraide.cat import WHITES
	from coloraide.channels import Channel, FLG_ANGLE
	from coloraide import util
	from coloraide import algebra as alg
	from coloraide.types import Vector, VectorLike
	from typing import Optional

	from coloraide.contrast import ColorContrast

	class Weber(ColorContrast):
	"""Weber contrast."""

	NAME = "weber"

	@classmethod
	def contrast(cls, color1, color2, **kwargs):
	"""Contrast."""

	inputs = ['red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet']
	colors = Color(inputs[0]).steps(inputs[1:], steps=20, space='srgb')
	colors
	ColorRow()
	[c.cvd('achromatopsia').clip() for c in colors]
	ColorRow()
	[c.cvd('brettel-protan').clip() for c in colors]
	ColorRow()
	[c.cvd('brettel-deutan').clip() for c in colors]
	ColorRow()

	print('---- Gamut Mapping with Oklch ----')
	class Color2(Color):
	FIT = "oklch-chroma"
	colors = ['green', 'blue']
	Color2.interpolate(colors, space="lab")
	Color2.interpolate(colors, space="lch")
	Color2.interpolate(colors, space="oklab")
	Color2.interpolate(colors, space="oklch")

	print('---- Gamut Mapping with CIE LCH ----')

	[
	{
	"caption": "Wildcard Navigation",
	"command": "wildcard_nav"
	}
	]

	from coloraide.gamut import Fit, clip_channels
	from coloraide.util import NaN


	class OklchChroma(Fit):
	"""Lch chroma gamut mapping class."""

	NAME = "oklch-chroma"

	EPSILON = 0.0001