Added on by Craig Stewart., created by Tamino Martinius and Andreas Storm is a useful online design tool. With designers can easily and intuitively combine colors. 

Just move the mouse up for the darker colors and down for the lighter ones. You can free build for your own custom palette or choose from monochrome, monochrome and dark gray, monochrome and light gray, analogic, analogic and complement, complement, triad, and quad color schemes.

Once you select a color you're provided with everything except the PMS. Included are: HEX - RGB - HSL - CMY - CMYK - XYZ - YXY created by Tamino Martinius & Andreas Storm created by Tamino Martinius & Andreas Storm