What colors of pebbles are available for us to choose from, and what are the most popular colors?

Pebbles can usually have a variety of colors in their natural state. Common colors include:
1. White: Pure and elegant white pebbles are often used to create fresh and simple courtyards and gardens.
2. Gray: Gray pebbles are often neutral and stable, suitable for creating a modern and peaceful environment.
3. Mixed colors: Pebbles can also present a variety of mixed colors, such as gray-black, brown-gray, etc. Such pebbles are usually rich in color and varied.
4. Black: Black pebbles give people a sense of elegance and mystery, and are often used to create rich and atmospheric courtyards and garden landscapes.
When choosing colors, the most popular colors usually depend on personal preferences and design needs. However, white and mixed-color pebbles are often more popular because they can show elegance and diversity in different design styles, and can also better match plants and landscape elements.
Of course, the specific choice also depends on your specific needs and personal preferences. If you have specific design requirements or are interested in a certain color, I can help you learn more about it.