Red, yellow, and blue are called primary colors.
You cannot mix other colors to make them. But you can mix them to make lots of new colors.
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A rainbow always shows its colors in the same order.
The sky looks blue because sunlight bounces around in the air.
Green leaves and grass get their color from a helper called chlorophyll.
Wearing white on a hot day helps keep you cooler than black.
A rainbow has so many colors they blend into each other.