Color Sense Game

You can play 4 kinds of game about the color.
They are "Same Color", "Make Gradation", "Mix Paint", and "Superpose Light".
Every game is very simple only choosing the correct color.
Let's develop a color sense in a short free time!

"Same Color"
This is simple game only choosing same color.
That's why you may become a habit, reversely.

"Make Gradation"
5 colors make a gradation, but center color is missing.
Let's choose correct color for completing the gradation!

"Mix Paint"
If 2 colors of paint is mixed equally, what color will be made?
Let's think like a pure child!

"Superpose light"
The 3 primary colors of the light are red, green and blue.
What color of light will be made when 2 colors of light is superposed?