Final answer:
The primary colors in traditional color theory are red, blue, and yellow. They are called primary colors because they cannot be created by mixing other colors but can be combined to form all other colors.
Step-by-step explanation:
The primary colors as per the traditional color theory are red, blue, and yellow.
These are called primary colors because they cannot be created by mixing any other colors, but can combine to form all other colors. When red and blue are combined, for example, they form purple. When blue and yellow are mixed, they form green. And when yellow and red are combined, they form orange.
On the contrary, secondary colors such as purple, green, and orange are created by mixing two primary colors together. So, in response to your question, the primary colors are a) Blue, c) Red, and d) Yellow.
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