Easily generate color gradients with an unlimited number of color stops and steps.
Built on top of TinyColor.
Compatible with Require.js/AMD and NodeJS.
The gradient can be generated using RGB or HSV interpolation. HSV usually produces brighter colors.
The tinygradient constructor takes a list or an array of colors stops.
// using varargs
var gradient = tinygradient('red', 'green', 'blue');
// using array
var gradient = tinygradient([
'#ff0000',
'#00ff00',
'#0000ff'
]);The colors are parsed with TinyColor, multiple formats are accepted.
var gradient = tinygradient([
tinycolor('#ff0000'), // tinycolor object
{r: 0, g: 255, b: 0}, // RGB object
{h: 240, s: 1, v: 1, a: 1}, // HSVa object
'rgb(120, 120, 0)', // RGB CSS string
'gold' // named color
]);You can also specify the position of each color stop (between 0 and 1). If no position is specified, stops are distributed equidistantly.
var gradient = tinygradient([
{color: '#d8e0de', pos: 0},
{color: '#255B53', pos: 0.8},
{color: '#000000', pos: 1}
]);Each method takes at least the number of desired steps.
The generated gradients might have one more step in certain conditions.
// RGB interpolation
var colorsRgb = gradient.rgb(9);
// HSV clockwise interpolation
var colorsHsv = gradient.hsv(9);
// HSV counter-clockwise interpolation
var colorsHsv = gradient.hsv(9, true);
There are also two methods which will automatically choose between clockwise and counter-clockwise.
// HSV interpolation using shortest arc between colors
var colorsHsv = gradient.hsv(9, 'short');
// HSV interpolation using longest arc between colors
var colorsHsv = gradient.hsv(9, 'long');Each method returns an array of TinyColor objects, see available methods.
The css method will output a valid W3C string (without vendors prefix) to use with background-image CSS property.
// linear gradient to right (default)
var gradientStr = gradient.css();
// radial gradient ellipse at top left
var gradientStr = gradient.css('radial', 'farthest-corner ellipse at top left');Returns a single TinyColor object from a defined position in the gradient (from 0 to 1).
// with RGB interpolation
colorAt55Percent = gradient.rgbAt(0.55);
// with HSV interpolation
colorAt55Percent = gradient.hsvAt(0.55);Returns a new instance of TinyGradient with reversed colors.
var reversedGradient = gradient.reverse();A Mocha test suite is available.
npm install
npm test
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