On any roan diluted horse, you can see roaning over the entire body except the face and legs usually.
From top to bottom: Gold Champagne without silver, Amber Champagne with silver, Classic champagne with silver.
This gene changes black to mousey grey with black points and primitive stripes
They come in all shades and solid variations
Red body like a bay horse but flax mane and chocolate legs.
If you see a grey at birth you can usually determine if it carries silver since they are born solid colored
Can mask a silver gene! Both of these sorrels carry the silver gene, 1st: single silver 2nd: double silver
Black does not show any modifiers, a foal is typically lighter grey at birth then darkens
TRAINING & BREEDING QUALITY ROCKY MOUNTAIN HORSES
From top/left to bottom/right: Buckskin with silver, Buckskin no silver;
Palomino without silver, Cremello (double creme),
Grulla with a silver that "chocolifies" the black points.
Many shades of mousey or rich coffee brown with varying flaxen.
first photo shows single silver, 2nd shows double silver genes