JSFiddle - React, Tailwind, and code Playground

HTML

Star colors!
<div id="result"></div>

JavaScript

function get_color_for(value) {
    var i, h,s,b,stops = [
        [-0.63, [228, 100, 80]],
        [0.165, [224, 100, 90]],
        [0.33, [240, 100, 98]],
        [0.495, [64, 100, 92]],
        [0.66, [52, 100, 82]],
        [0.825, [28, 100, 66]],
        [2.057, [6, 95, 65]]
    ];
    if (value <= stops[0][0]) return stops[0][1];
    if (value >= stops[stops.length - 1][0]) return stops[stops.length - 1][1];
    i = 0;
    while (value > stops[i][0])
       i++;
    value -= stops[i-1][0];
    value /= (stops[i][0]-stops[i-1][0]);
    h = stops[i-1][1][0]+(stops[i][1][0]-stops[i-1][1][0])*value;
    s = stops[i-1][1][1]+(stops[i][1][1]-stops[i-1][1][1])*value;
    b = stops[i-1][1][2]+(stops[i][1][2]-stops[i-1][1][2])*value;
    return [h,s,b];
}

count=0;
for (i=-1; i<2.5; i += 0.1)
{
c = get_color_for(i);
    $("#result").append("<p id='res_"+count+"'>result: "+c+"</p>");
$("#res_"+count).css("background-color", "hsl(" + c[0] + "," + c[1] + "%," + c[2] + "%)");
    count++;
}