NRG block: Crayola's got nothing on us. Below are 18 colors to start with. 3" x 3" split face samples shown in direct sunlight. Do you have a custom color in mind? We can probably make it. Please note that NRG 8" is available in smooth or ground face. NRG 10" and 12" are available in smooth, ground, and split face.
Charcoal with white stone split
Gray split face
Mauve split face
Pinker split face
Goldenrod split face
Charcoal
Livonia split face
Black split face
Hi Tech Tan split
Alfred Buff split face
Regal Red split face
Red split face
Marble Red and Black split
Chocolate split face
Fay's Brown split face
White on White split face
White with mixed stone split
Cream with white stone split
Black Ground Face
4" x 4" sample in indirect sunlight
Black Smooth Face
4" x 4" sample in indirect sunlight
Brown Ground Face
4" x 4" sample in indirect sunlight
Brown Smooth Face
4" x 4" sample in indirect sunlight
Buff Ground Face
4" x 4" sample in indirect sunlight
Buff Smooth Face
4" x 4" sample in indirect sunlight
Gray Ground Face
4" x 4" sample in indirect sunlight
Gray Smooth Face
4" x 4" sample in indirect sunlight
Red Ground Face
4" x 4" sample in indirect sunlight
Red Smooth Face
4" x 4" sample in indirect sunlight
Tan Ground Face
4" x 4" sample in indirect sunlight
Tan Smooth Face
4" x 4" sample in indirect sunlight