DIY business card holders from paint chips from industrial designer Aaron Tang at designverb, step by step.
Just My Type. Sharpen your eye for letterforms by matching each close-up snapshot with the letter it came from, or test your eye for color with Color Me RGB, a couple of the interesting braincandy games from Scott Kim. (Also see his gallery of Inversions; I love "Figure", and the clickable tessellating alphabet.)
The Virtual Colour Museum presents Colour Order Systems in Art and Science: "a complete cultural history of colour", including illustrated explanations of 59 colour theories from antiquity to modern time, plus the significance of colours in various cultural systems (click the small images to enlarge), and a "virtual colour-space" dedicated to illustrating the spherical colour system construction of early 19th century painter Philipp Otto Runge. Walk this way >>