Get only light colors randomly using JavaScript code example

Example 1: js random hex color

'#'+Math.floor(Math.random()*16777215).toString(16);

Example 2: random light color js

function getRandomColor() {
                var letters = 'BCDEF'.split('');
                var color = '#';
                for (var i = 0; i < 6; i++ ) {
                    color += letters[Math.floor(Math.random() * letters.length)];
                }
                return color;
            }