Sooty
StySty / nSty
Appearance
Sooty adds black or dark hairs to the coat, giving it a gradiented darkening effect. Sooty can range anywhere from pure black to just slightly darker than the base coat, and can be black even if dilutes are present.
Sooty can affect any part of the body.
Can optionally affect mane and tail.

Sooty chestnut
chestnut + sooty

Sooty bay
bay + sooty

Sooty buckskin
bay + cream + sooty

Sooty chestnut
chestnut + sooty
Optional effect: Dapples
Dapples can be darker or lighter, appearing as holes in the sooty or as sooty-colored dapples.
Dapples are not written in the phenotype.

Sooty chestnut with dapples
chestnut + sooty

Sooty buckskin with dapples
bay + cream + sooty

Sooty blue ginger with dapples
bay + blue + tawny + sooty
Optional effect: Soot flakes
Sooty can optionally have soot flakes or "grease spots", causing dark smudges or spots in the coat.
Soot flakes are always darker than the coat, and can optionally affect mane and tail.

Sooty chestnut with soot flakes
chestnut + sooty

Sooty palomino with soot flakes
chestnut + cream + sooty