David Briggs' The Dimensions of Colour, a comprehensive online explanation of traditional (what you've probably been taught) and modern colour theory, and its applications to visual art. Invaluable for artists and non-artists alike. (The answer: probably some kind of brown. Yes, your kindergarten teachers fed you lies.)
The value of limits, expressed through the process of a four-year-old making a painting. [more inside]
"I believe that before anything art should bring happiness to the viewer." ~ Adib Fattal, Syrian Painter who infuses his work with bright colours (Titanic), optimistic scenes of places he remembers as a child (Jenin, Palestine), and wild life (Return of the Birds). More of his work here. [via]
Digital Artform is a fascinating resource for those interested in 3D graphics, digital painting, and the like. How about turning 2D stills into 3D animations, the truth about motion blur and colour mixing, or outlines in action? Also, a recipe for making your own Viewmaster reels, and the politics of colour saturation.