ColorImpact

ColorImpact is an advanced tool for designing harmonious color schemes to be used on the web or elsewhere. It includes several built in color formulas including triads, complements and analogous colors and you can also design your own custom color formulas. Color schemes can be exported as Photoshop palettes, as CSS Style Sheets, HTML specifications, color swatch image files or simply copied to the clipboard. The Test Pattern mode allows you to view and test how multiple colors will look together, using various layouts with up to 8 different colors. Additional features include color picker, color drag/drop, detailed help and an attractive interface.