Envato’s Tuts+ is all about hands-on learning; helping people apply the creative skills they acquire in areas like coding, illustration, photography, web design and more.
Can generate various color schemes (complementary, split complementary, analogous, triadic, tetradic, monochromatic, etc.), blend two colors to get a third, and create a gradient between two colors.
Use sliders to identify a color on the color wheel and warm/cold spectrum; generate various schemes (mono, complementary, triadic, tetradic, analogic, accented analogic, etc.) with adjustable saturation and contrast levels; see colors represented on "light" and "dark" example pages.
Font Awesome gives you scalable vector icons that can instantly be customized — size, color, drop shadow, and anything that can be done with the power of CSS.