Canadian Grade  American  Grade  Light Transmission  Characteristics CANADA No. 1 Light  US Grade A  Medium Amber  61 - 74%  Light amber color, pure and delicate flavor CANADA No.1 Medium  US Grade A  Dark Amber  44 - 60%  Warm amber color and stronger flavor.  The most popular grade CANADA No. 2 Amber  US Grade B  27 - 43%  Darker color, stronger flavor, popular in  the natural foods sector CANADA No. 3 Dark  US Grade B  commercial  0 - 26%  Very dark with a pronounced flavor,  used as sweetener in other products