Kuler. Basic color schemes: Color Theory Introduction. With colors you can set a mood, attract attention, or make a statement.
You can use color to energize, or to cool down. By selecting the right color scheme, you can create an ambiance of elegance, warmth or tranquility, or you can convey an image of playful youthfulness. Color can be your most powerful design element if you learn to use it effectively. Colors affect us in numerous ways, both mentally and physically. A strong red color has been shown to raise the blood pressure, while a blue color has a calming effect.