What color is pebble?

Pebbles can come in a variety of colors, depending on their mineral composition and the environment in which they were formed. Common colors include gray, brown, white, and black, but you can also find pebbles in shades of red, green, and blue. The color can vary due to factors like weathering, staining, or the presence of algae or other organisms. Overall, the color of a pebble can be quite diverse.