Which of the following colors are primary colors?

The correct answer is Red, Yellow , Blue.

Key Points

• Primary Colours:
  • Colours that cannot be produced by mixing other colours are termed primary colours or "elemental" colours.
  • The three primary colours are red, Yellow, and blue because they are the only colours that cannot be made by mixing any other colours.
  • They can be combined to create additional colours which are called secondary colours. 
• Three Secondary Colors (S'): Orange, Green, Violet.
• Six Tertiary Colors (Ts): Red-Orange, Yellow-Orange, Yellow-Green, Blue-Green, Blue-Violet, Red-Violet, which are formed by mixing a primary with a secondary.