There are few places where you see radial lines in the beauty of nature, and even though it's only a small amount, you can see the distinct cuts in the morning dew on the windshield from the water.
The gradient of light gray to a dull charcoal give the piece that fading aspect, making it seem like a path leading into a darker area.
Value
Texture
The splinters of wood and broken off strips give the piece the feeling of rough splinters and a coarse top. The dents and divots create the illusion of a beaten up surface when it's just well-used.
The splotches of pink and green and blue and yellow make the entire peice pop with vibrancy.
Color
Space
The directional flow of the keys' positioning in a slanted angled give the picture a sense of depth. The sizing of the keys adds onto the illusion, going from large to small as if looking down a hallway without walls.
The vivid outline of the vase paired with the shadow underneath makes this vase look as if it were designed as a 3D, not a real item.
Form
Shape
There are obvious etched lines in the stone to separate the different shapes of rock type there is to be seen.
Even though the lines mirror each other, they are on opposite ends of the color wheel, which means that their colors are although complimentary,