Practice
Color Interaction
You cannot figure it out if just stare at it.
Color Matching
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/28017879095_d04c7b9f3c_o.jpg)
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/1.png)
Value Matching
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/2.png)
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/Value%20Matching%20Yang%20Shichao-01.png)
Four Colors Appear as Three
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/4.png)
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/Four%20Colors%20Appear%20as%20Three%20Yang%20Shichao-01.png)
Five Colors Appear as Six
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/4-1.png)
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P3/Five%20Colors%20Appear%20as%20Six%20Yang%20Shichao-01.png)
Practice
You cannot figure it out if just stare at it.
Color Matching
Value Matching
Four Colors Appear as Three
Five Colors Appear as Six