Generate 100 mixed Hex values in AngularJS1

color_mix.js

// Run this in your browser's console to generate 100 colors between 3 hex values
var colors = {};
function int_to_hex(num) {
    var hex = Math.round(num).toString(16);
    if (hex.length == 1)
        hex = '0' + hex;
    return hex;
};

function blend_colors(color1, color2, percentage) {
    color1 = color1 || '#000000';
    color2 = color2 || '#ffffff';
    percentage = percentage || 0.5;

    if (color1.length != 4 && color1.length != 7) {
        throw new error('colors must be provided as hexes');
    }

    if (color2.length != 4 && color2.length != 7) {
        throw new error('colors must be provided as hexes');
    }

    if (percentage > 1 || percentage < 0) {
        throw new error('percentage must be between 0 and 1');
    }

    if (color1.length == 4) {
        color1 = color1[1] + color1[1] + color1[2] + color1[2] + color1[3] + color1[3];
    } else {
        color1 = color1.substring(1);
    }

    if (color2.length == 4) {
        color2 = color2[1] + color2[1] + color2[2] + color2[2] + color2[3] + color2[3];
    } else {
        color2 = color2.substring(1);
    }

    color1 = [parseInt(color1[0] + color1[1], 16), parseInt(color1[2] + color1[3], 16), parseInt(color1[4] + color1[5], 16)];
    color2 = [parseInt(color2[0] + color2[1], 16), parseInt(color2[2] + color2[3], 16), parseInt(color2[4] + color2[5], 16)];

    var color3 = [
        (1 - percentage) * color1[0] + percentage * color2[0],
        (1 - percentage) * color1[1] + percentage * color2[1],
        (1 - percentage) * color1[2] + percentage * color2[2]
    ];

    return '#' + int_to_hex(color3[0]) + int_to_hex(color3[1]) + int_to_hex(color3[2]);
};

// Generate all the HEX colors once off
for(var i = 0; i <= 100; i++) {
    switch (true) {
        case i == 0:
            colors[i] = '#cd1012';
            break;
        case i == 100:
            colors[i] = '#0096DA';
            break;
        case i <= 50:
            colors[i] = blend_colors('#cd1012', '#bada55', (i * 2.0) / 100);
            break;
        case i < 100:
            colors[i] = blend_colors('#bada55', '#0096DA', ((i - 50.0) * 2.0) / 100);
            break;
    }
}

console.log(JSON.stringify(colors));