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HowStuffWorks on MSNSecondary Colors: How to Use Purple, Green and OrangeSecondary colors are the superstars that shine when any two of the three primary colors — red, blue and yellow — team up. The results are orange, green and purple. Think of them as the second level of ...
Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...
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