When you order, you can choose your preferred format, based on these styles, from left to right: ...Cool White, Cool Black, Warm Black, Warm White. We blend transparent jewel-like acrylics of ruby, topaz, amber, aqua, and sapphire with crystal clear and deep purple in black or white tray. Just mention your preferences in the "Order Comments" space of your order. Or, if you wish, click on your choice now to add it immediately to your shopping basket. Specific color arrangements may vary from those shown above.