It's best used in high-traffic walkways, as it won't move outside the edges of the path as easily as gravel. If you go with an option like crushed marble, you end up with mostly white- and gray ...

If you're thinking of using gravel in your yard, crushed granite is a material that ... in a huge assortment of colors, ranging from white to black, with pinks, golds, browns, greens, and blues ...