The World of Digital Color
nColors can be chosen from geometric “color spaces” (more on these later)
nCompared numerically
nApplied, reapplied, and erased without repercussions
nAltered in powerful and subtle ways.
nMore dynamic and flexibility than in any traditional medium
nSome technical information increases productivity…
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Color on computer revolutionary

As sketchpad too, for work in other media

To take full advantage of power of digital color, helps to know some of the basic concepts behind it.