A simple color generator ES6 Class

ColorGenerator.js

class ColorGenerator {

    grab(number) {
        var colors = [];
        for(var i = 0; i < number; i++){
            colors.push(this.random);
        }
        return colors;
    }

    get random() {
        var number = Math.floor((Math.random() * 20) + 1) - 1;
        return this.colors[number];
    }

    constructor(){
        this.colors = [
            'rgba(255, 99, 132, 0.2)',
            'rgba(54, 162, 235, 0.2)',
            'rgba(255, 206, 86, 0.2)',
            'rgba(75, 192, 192, 0.2)',
            'rgba(153, 102, 255, 0.2)',
            'rgba(255, 159, 64, 0.2)',
            'rgba(255,99,132,0.2)',
            'rgba(54, 162, 235, 0.2)',
            'rgba(255, 206, 86, 0.2)',
            'rgba(75, 192, 192, 0.2)',
            'rgba(153, 102, 255, 0.2)',
            'rgba(255, 159, 64, 0.2)',
            'rgba(255, 130, 42, 0.2)',
            'rgba(202, 30, 32, 0.2)',
            'rgba(160, 68, 190, 0.2)',
            'rgba(103, 202, 155, 0.2)',
            'rgba(234, 159, 74, 0.2)',
            'rgba(200, 130, 52, 0.2)',
            'rgba(222, 30, 62, 0.2)',
            'rgba(180, 68, 180, 0.2)',

        ];
    }
}

export default ColorGenerator;