find-color

A Node.js library that finds the nearest color in a list of colors.

Installation

$ npm install find-color

Development

Compile ES6 to ES5 with Babel

$ npm run compile

ESLint

$ npm run jslint

How to use

import * as findColor from `find-color`

findColor.fromHex(hexColors).find(color)

Example: Google logo colors matching

Find the nearest color, from the list of Google logo colors.

import {fromHex} from 'find-color'

var googleColors = [
  '#4885ed', // blue
  '#f4c20d', // yellow
  '#3cba54', // green
  '#db3236'  // red
]

function findNearest(color) {
  var nearest = fromHex(googleColors).find(color)
  return (nearest >= 0 ? '#' + nearest.toString(16).toUpperCase() : false)
}

findNearest('#FF7BAC') // => "#DB3236" (red)

See examples/google-colors.js directory

API

fromHex(colors)

Creates a new object, with the find(color) method

colors must be an array of hex encoded string values. For each hex value, the hash character is removed, and the string trimmed.

fromRGB(colors)

Creates a new object, with the find(color) method

colors must be an array of RGB array tuple values (e.g. [[255,0,0], ...]).

.find(color)

Finds the nearest color to color, from a list of pre-compiled colors, as provided by fromHex() or fromRGB()

Returns a Number, the decimal representation of the RGB color.

License

MIT