Introduction
Sometimes you want to add more than one color or pattern to a single shape to make it look richer or more interesting. Multiple fills let you stack colors, gradients, or images on one element without making extra shapes.
When you want a button to have a solid color with a subtle gradient on top.
When you need a shape to have a base color plus a pattern overlay for texture.
When creating a logo that uses layered colors in one shape.
When you want to add a shadow or highlight effect using fills instead of effects.
When designing a background that blends multiple colors smoothly on one element.