Which of the following is not a primary colour?

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Bihar CET B.Ed Official Paper (Held On: 25 Jun, 2024)
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  1. Red
  2. Blue
  3. Green
  4. Yellow

Answer (Detailed Solution Below)

Option 4 : Yellow
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Detailed Solution

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The correct answer is Yellow.

Key Points

  • Yellow is indeed a primary color in traditional color theory, used alongside red and blue to create other colors.
  • In the traditional RYB (Red, Yellow, Blue) color model, yellow is considered a primary color and cannot be made by mixing other colors.
  • Primary colors are the foundation of all color mixing systems and cannot be created by combining other colors.
  • Colors like green, orange, and purple are secondary colors, formed by mixing two primary colors.

Additional Information

  • Primary Colors in subtractive color systems (such as pigments in art) are red, yellow, and blue.
  • Secondary Colors are created by mixing two primary colors, such as green (yellow + blue), orange (red + yellow), and purple (red + blue).
  • Yellow is associated with light, energy, and happiness in color psychology and is widely used in various designs.
  • In some digital color models like RGB (used for screens), the primary colors are red, green, and blue.
  • In the CMYK color model (used in printing), yellow is one of the primary colors along with cyan, magenta, and black.
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