matrix3d()
Animate an HTML element using 3D transformations - for example, creating a cube and spinning it around when hovered.
brightness()
Changes the "brightness" of an image using CSS, and is animatable. Can mimic the effect of light increasing or turning on with the right image. Check out the demo!
hue-rotate()
Rotates the hue of an element and its contents, and can be animated.
CSS Animation
The animation shorthand CSS property applies an animation between styles.