# data_color.js
var chart = c3.generate({
data: {
columns: [
['data1', 30, 20, 50, 40, 60, 50],
['data2', 200, 130, 90, 240, 130, 220],
['data3', 300, 200, 160, 400, 250, 250]
],
type: 'bar',
colors: {
data1: '#ff0000',
data2: '#00ff00',
data3: '#0000ff'
},
color: function (color, d) {
// d will be 'id' when called for legends
return d.id && d.id === 'data3' ? d3.rgb(color).darker(d.value / 150) : color;
}
}
});