Colourco.de
Online designer tool, which allows you to easily and intuitively combine colours.
Pick colours based on HSL. Scheme-mode with monochromatic, analogic, complement, triad and quad colours.
Make your designs alive. Shadergradient is a new tool to create beautiful, moving gradients
Create translucent versions of your colors. Alphredo generates translucent (alpha) colors looking the same as their opaque counterparts when placed against the same background.
A database of color & images for artists, designers, photographers, printers or curious people and my personal perception of color