Design principles are versatile.

Once you learn them, they'll serve you well in every area of your life. 

The same design principles get used in graphics, interior design, and many more fields.

The list of principles is small, simple, yet powerful. 

Is contrast the most important principle in design?

The human sight gets geared towards seeing what's important. Contrast shows what's important. 

Contrast tells the viewer where to look. 

Contrast is the storyteller's yellow brick road that you lead your audience through.

The human brain can only focus on one central element at a time.

So contrast signals the viewer.

Contrast organizes your design.

Contrast gives hierarchy. 

Contrast adds visual interest.

Contrast is the one main element that'll ensure you attract the viewer's eye.

These three shapes are the same size. 

No hierarchy here. And no emphasis. 

Add contrast to this design by sizing up one of the shapes. 

Size up one of the shapes and create contrast and more visual interest. 

Change the shape to a square, and the contrast remains. 

Scale creates contrast works and adds dominance to your work.