The avatar for @john-clarke
John Clarke
Published
Edited
Sep 21, 2018
Fork of Working with Color
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Importers
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d3.color("#ff3399") // hexadecimal RGB
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d3.color("hotpink") // named RGB
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d3.color("hsl(330, 100%, 70.5%)") // HSL
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d3.color("rgba(128, 0, 128, 0.2)") // RGB with alpha (opacity)
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d3.hcl("#ff3399")
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d3.hsl("hotpink")
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d3.lab("hsl(330, 100%, 70.5%)")
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d3.cubehelix("rgba(128, 0, 128, 0.2)")
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d3.rgb(255, 51, 153)
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d3.hcl(356.51, 78.96, 58.56)
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d3.lch(58.56, 78.96, 356.51)
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d3.cubehelix(318.7, 1.2, 0.48)
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d3.rgb(d3.hcl(356.51, 78.96, 58.56))
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d3.hcl(d3.rgb("#ff3399"))
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d3.hcl(356.51, 78.96, 58.56).rgb()
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d3.rgb("#ff3399").rgb() // Returns itself!
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d3.hcl(356.51, 78.96, 58.56) + ""
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d3.hcl(356.51, 78.96, 58.56, 0.2) + ""
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d3.hcl(356.51, 78.96, 58.56, 0.2).toString()
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d3.hcl(356.51, 78.96, 58.56).hex()
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d3.interpolateRgb("red", "blue")(0.5)
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d3.interpolateRgb.gamma(2.2)("red", "blue")(0.5)
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d3.interpolateHsl("red", "blue")(0.5)
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d3.interpolateHslLong("red", "blue")(0.5)
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d3.interpolateLab("red", "blue")(0.5)
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d3.interpolate({foo: "red"}, {foo: "blue"})(0.5)
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d3.interpolate(["red", "red"], ["green", "blue"])(0.5)
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d3.piecewise(d3.interpolateRgb.gamma(2.2), ["red", "green", "blue"])(0.5)
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d3.interpolateRgbBasis(["red", "green", "blue"])(0.5)
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d3.scaleLinear()
.domain([0, 0.5, 1])
.range(["red", "green", "blue"])
.interpolate(d3.interpolateRgb.gamma(2.2))
(0.5)
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d3.interpolateSpectral(0.5)
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d3.interpolatePRGn(0.5)
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d3.interpolateViridis(0.5)
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d3.interpolateCubehelixDefault(0.5)
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d3.interpolateRainbow(0.5)
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d3.schemeSet1
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d3.schemeCategory10
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d3.schemeSpectral[7]
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d3.schemeSpectral[11]
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d3.quantize(d3.interpolateHcl("#fafa6e", "#2A4858"), 10)
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d3.quantize(d3.interpolateHcl("#f4e153", "#362142"), 10)
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d3.quantize(d3.interpolateHcl("#60c96e", "#4d4193"), 10)
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d3.quantize(d3.interpolateHcl("#d66000", "#a9a9b4"), 10)
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{
let color = "pink";
color = darken(color);
color = saturate(color, 2);
return color.hex();
}
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function darken(color, k = 1) {
const {l, c, h} = d3.lch(color);
return d3.lch(l - 18 * k, c, h);
}
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function lighten(color, k = 1) {
const {l, c, h} = d3.lch(color);
return d3.lch(l + 18 * k, c, h);
}
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function saturate(color, k = 1) {
const {l, c, h} = d3.lch(color);
return d3.lch(l, c + 18 * k, h);
}
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d3.rgb(258, 0, 0).displayable()
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d3.cubehelix(318.7, 1.3, 0.48).displayable()
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