Normally I just pick a color at random or whatever seems to look good, but now I'll think it through a little more each time because each tone does have a different meaning. I didn't realized color had such a history.
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This is a very interesting article, it's pretty much what an artist goes for every time one creates an artpiece. It doesn't always work, but if what you created has multiple meanings / multiple dimensions, it usually turns out to be a very clever piece. The article makes for a good inspiration to really think each project through thoroughly in order to develop each aspect of the assignment.