colorgrad (js)
High-performance Javascript color gradient library powered by Rust + WebAssembly.
- No dependencies.
- Faster than d3-scale, chroma-js, tinygradient, color-interpolate.
- Blend modes:
rgb
,linear-rgb
,hsv
,oklab
. - Interpolation modes:
linear
,catmull-rom
,basis
.
Benchmarks
cd examples
npm install
node bench.js
Result
@mazznoer/colorgrad x 3,545,478 ops/sec ±58.66% (63 runs sampled)
chroma-js x 1,269,533 ops/sec ±1.27% (93 runs sampled)
d3-scale x 1,833,694 ops/sec ±0.43% (91 runs sampled)
tinygradient x 360,247 ops/sec ±1.26% (93 runs sampled)
color-interpolate x 933,391 ops/sec ±1.81% (87 runs sampled)
Fastest is @mazznoer/colorgrad
Installation
npm i @mazznoer/colorgrad
Usage
import colorgrad from "@mazznoer/colorgrad";
let gradient = colorgrad.custom_gradient(["#C41189", "#00BFFF", "#FFD700"], null, "oklab", "linear");
// get the gradient domain min & max
console.log(gradient.domain()); // [0, 1]
// get single color at position 0.5
let hex = gradient.at(0.5).hex();
// get single color at position 0.75
let [r, g, b, a] = gradient.at(0.75).rgba8();
// get 100 colors evenly spaced along gradient
let colors = gradient.colors(100);
for (let c of colors) {
console.log(c.hex());
}
API
Custom Gradient
// colorgrad.custom_gradient(colors, position, blending_mode, interpolation_mode);
let g = colorgrad.custom_gradient(["deeppink", "gold", "seagreen"]);
let g = colorgrad.custom_gradient(["deeppink", "gold", "seagreen"], [0, 0.35, 1.0]);
let g = colorgrad.custom_gradient(["deeppink", "gold", "seagreen"], null, "oklab", "catmull-rom");
Preset Gradients
let g = colorgrad.rainbow();
console.log(g.at(0.5).hex());
Building
Requirements:
cd colorgrad-js
wasm-pack build --target nodejs
Similar Projects
- colorgrad (Rust)
- colorgrad (Go)
- chroma.js (Javascript)
- d3-scale-chromatic (Javascript)