'use strict'

let colour = {
    nR: '',
    nG: '',
    nB: '',
    setColour: function (r, g, b) {
        this.nR = r;
        this.nG = g;
        this.nB = b;
    },
    showColour: function () {
        console.log(`rgb(${colour.nR}, ${colour.nG}, ${colour.nB})`);
    }
};

colour.setColour(12,34,56);
colour.showColour();
colour.setColour(255,124,56);
colour.showColour();
colour.setColour(255,0,100);
colour.showColour();