Color Mixtures


Experimenting with color mixing.

  • Note the three different colors of the circles in this applet.
  • Adjust the sliders to change the level of each of the pigments to experience color mixing.


Investigating Color Mixtures.

  • In the left cylinder, mix 5 ml of blue and 15 ml of yellow. This is a single batch of green.

(1). Suppose you have one batch of green but want to make more.


Creating a Diagram to Represent a Mixture.

A smoothie recipe calls for 3 cups of milk, 2 frozen bananas and 1 tablespoon of chocolate syrup. Create a diagram to represent the quantities of each ingredient in the recipe.

Write 3 different sentences that use a ratio to describe the recipe.


Using the color mixture above, someone was trying to make the same shade as the original single batch, but started by adding 20 ml of blue and 20 ml of yellow. How can they add more but still create the same shade of green?


The recipe for Perfect Purple Water says, “Mix 8 ml of blue water with 3 ml of red water.” Jada mixes 24 ml of blue water with 9 ml of red water. Andre mixes 16 ml of blue water with 9 ml of red water.

(a). Which person will get a color mixture that is the same shade as Perfect Purple Water? Explain your reasoning.

(b). Find another combination of blue water and red water that will also result in the same shade as Perfect Purple Water. Explain your reasoning.


Diego makes green paint by mixing 10 tablespoons of yellow paint and 2 tablespoons of blue paint. Which of these mixtures produce the same shade of green paint as Diego’s mixture?