Primary Colors represent Integral Colors, which means the color that gets mixed in with the concrete.
NOTE: Cement is naturally 'GRAY" by adding the DAVIS colors it allows us tent the cement.
1% changes you will ever see this color.
Secondary Colors represent Release Colors, These are commonly referred to as Antique Colors.
NOTE : Antique color is added when the cement/curbing is on the ground to give the curbing its true color.
99% you will see these colors.
Concrete colors and charts are only a representation of a certain amount of color per batch. There are many variables when it comes to final color. Materials, ratios, and other factors affect final color. Your curb may be slightly different that what you see here.