Open color is an open-source color scheme optimized for UI like font, background, border, etc.

• All colors shall have adequate use
• Provide general color for UI design
• All colors will be beautiful in itself and harmonious
• At the same brightness level, the perceived brightness will be constant

Note

• The colors are subject to change in the future. Thus, using an Open color as a main identity color is not recommended.

$ npm install open-color

or

$ bower install open-color

CSS, Sass, Less, Stylus, JSON, SVG, TeX, Open Color Tools (.oco), PowerPaint (.rcpx), Sketch (.sketchpalette), Inkscape, aco, clr, Tailwind, TypeScript

$oc-(color)-(number)

@oc-(color)-(number)

oc-(color)-(number)

--oc-(color)-(number)

• oc: Abbreviation for Open color
• (color): Color name such as gray, red, lime, etc.
• (number): 0 to 9. Brightness spectrum.

Import the file to your project and use the variables.

Example for Sass, SCSS

@import 'path/open-color';

.body {
  background-color: $oc-gray-0;
  color: $oc-gray-7;
}

a {
  color: $oc-teal-7;

  &:hover,
  &:focus,
  &:active {
    color: $oc-indigo-7;
  }
}

Example for Tailwind CSS

module.exports = {
  presets: [require("./open-color.js")],
  purge: [],
  mode: "jit",
  darkMode: false,
  theme: {
    extend: {},
  },
  variants: {
    extend: {},
  },
  plugins: [],
};

Example for Less

@import 'path/open-color';

.body {
  background-color: @oc-gray-0;
  color: @oc-gray-7;
}

a {
  color: @oc-teal-7;

  &:hover,
  &:focus,
  &:active {
    color: @oc-indigo-7;
  }
}

Example for Stylus

@import 'path/open-color.styl'

.body
  background-color: oc-gray-0
  color: oc-gray-7

a
  color: oc-teal-7

  &:hover
  &:focus
  &:active
    color: oc-indigo-7

Example for CSS

@import 'path/open-color.css';

.body {
  background-color: var(--oc-gray-0);
  color: var(--oc-gray-7);
}

a {
  color: var(--oc-teal-7);
}

a:hover,
a:focus,
a:active {
  color: var(--oc-indigo-7);
}

• Julia : OpenColor.jl
• Go : opencolor