Following SCAA Standards,  color guides with 8 shades of color from Very Light (#R95) to Very Dark (#R25) are designed for coffee roasters to determine roast degree.

Two models:

CRC-80 – Large size swatch,  water resistant.
CRC-81 – Easy to read design, small, portable and water resistant

AGTRON ROAST CLASSIFICATION
R95        Very Light
R85        Light
R75        Moderately Light
R65        Light Medium
R55        Medium
R45        Moderately Dark
R35        Dark     
R25        Very Dark