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@w3h/material-color-utilities

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Algorithms and utilities that power the Material Design 3 (M3) color system, including choosing theme colors from images and creating tones of colors; all in a new color space.

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/** * @license * Copyright 2021 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { Hct } from '../hct/hct.js'; /** * A convenience class for retrieving colors that are constant in hue and * chroma, but vary in tone. */ export declare class TonalPalette { readonly hue: number; readonly chroma: number; readonly keyColor: Hct; private readonly cache; /** * @param argb ARGB representation of a color * @return Tones matching that color's hue and chroma. */ static fromInt(argb: number): TonalPalette; /** * @param hct Hct * @return Tones matching that color's hue and chroma. */ static fromHct(hct: Hct): TonalPalette; /** * @param hue HCT hue * @param chroma HCT chroma * @return Tones matching hue and chroma. */ static fromHueAndChroma(hue: number, chroma: number): TonalPalette; private constructor(); /** * @param tone HCT tone, measured from 0 to 100. * @return ARGB representation of a color with that tone. */ tone(tone: number): number; /** * @param tone HCT tone. * @return HCT representation of a color with that tone. */ getHct(tone: number): Hct; private averageArgb; }