1function shortenRgb(red, green, blue) { 2 var normalizedRed = Math.max(0, Math.min(parseInt(red), 255)); 3 var normalizedGreen = Math.max(0, Math.min(parseInt(green), 255)); 4 var normalizedBlue = Math.max(0, Math.min(parseInt(blue), 255)); 5 6 // Credit: Asen http://jsbin.com/UPUmaGOc/2/edit?js,console 7 return '#' + ('00000' + (normalizedRed << 16 | normalizedGreen << 8 | normalizedBlue).toString(16)).slice(-6); 8} 9 10module.exports = shortenRgb; 11