Red - Reds can vary from the very dark grey body strains to the bright gold body strains. This gup is Gold Red, the most popular form of Red shown in the IFGA. 

H/B Red - Half Black Red must have a true half black body and  clean red finnage.  Finnage color can range from light to almost mahogany.

Blue - Blue can range in color from light sky blue to dark, almost black.  This gup is a medium shade.   Blues may change shades or even color under certain lighting.

H/B Blue - Half Black Blue must have a true half black body and blue finnage.  The blue can range from light, such as this gup, to almost black.

Green - Green can range from a very light mint color to a very dark forest green color, such as this gup.  Greens like blues may change shades or even color under certain lighting.

H/B Green - Half Black Green, as with all half blacks must have the true black body.  The finnage may range in shade just as that of its counterpart Green.

Purple - Purple can range from a very light lavender to almost black.  It is also another color that can change quite a bit according to lighting.  This fish is a solid purple Moscow.

H/B Purple - Again Half Black Purple must have the true half black body.  Its color shades can range from very light to very dark.  This gup is medium in color.

Yellow - Yellows should be a full rich yellow throughout.  However they too can range in color from the richness of this gup to being almost transparent.

H/B Yellow - Half Black Yellows should carry a nice buttery color, but can be lighter color such as this gup.  They need to have the true half black body.

H/B Pastel - Half Black Pastels are to be the light shade of any color, white is also included. This gup has white finnage and is what is seen most often in this class on the bench.

H/B AOC - As with all H/B, the Half Black AOC has to have the true half black body.  The finnage may be any color other than the standard colors for the other H/B classes.

Black - Unlike the H/B, the Black needs to be closer to 3/4 black.  The more body color the better.

Multi - The Multi can be any color but its finnage must show at least three colors (or distinct shades of the same color) with a minimum of 15% for the third color.

Red Albino - The Red Albino is the albino form of any red strain.  It must have the red/pink eyes to qualify for the class.  Finnage color can vary, but dark color is preferred.

AOC Albino - This class is for the albino version of any standard or non-standard color other than red.  Again, the gup must have red/pink eyes to qualify.

Red Bicolor - Red Bi must have two colors or distinct shades of color and at least 25% of the second color in their finnage with red as the primary color  A 51%/49% split is ideal.

Blue/Green Bicolor - Bl/Gr Bi must have blue or green as the primary color and at least 25% of a second color or distinct shade of that color.  Again a 51%/49% split in colors is ideal.

Snakeskin Variegated - Var. Snake must have an unbroken chain link pattern covering at least 60% of its body as well the finnage.

Snakeskin Solid - Solid Snake must have a  unbroken chain link pattern covering at least 60% of its body. Its finnage has to be solid.  This gup does not have have a matching dorsal, which is a major fault.

Bronze - Bronze is a body color.  25% of the body must be covered in darkly edged scales.  The finnage can be any color.

AOC - AOC is Any Other Color, this is for any gup that does not qualify for one of the other standard classes.  This gup is a pastel.  *The red eye is from photo flash.

AOC Bicolor - Any Other Color Bi must have two colors or distinct shades of the same color, with minimum 25% of the second color.  Primary any color but red, blue or green.