There are 4 coat types in Ragdoll cats: Traditional, Mink, Sepia, and Solid.
Mink vs. Traditional: Mink Ragdolls have a thicker, plusher coat than traditional Ragdolls, often with an extremely plush tail. The coat of a mink is smoother and much softer than traditional Ragdolls. Minks usually have aqua colored eyes (sea blue green) instead of the blue eyes that the traditional Ragdolls have. Minks also have a richer colored, more eye-catching coat than traditional Ragdolls. Mink Ragdolls are born with their coat color and have aqua colored eyes by the time they are 12 weeks old. Traditional Ragdolls are born completely white and start slowly acquiring their color between 4 to 14 days old. Aqua eyes can vary from blue with just a small hint of green to almost fully green eyes, but the most common is a very even blue green.
Sepia: Sepia Ragdolls are substantially darker coated than their mink Ragdoll siblings. Where mink Ragdolls usually only have aqua colored eyes, sepia Ragdolls can have green, gold, blue, aqua blue, or a rainbow of other eye colors. Sepia Ragdolls have the thickest, plushest, and softest coats of all of the pointed Ragdolls.
Solid: Solid Ragdolls are the darkest and highest contrast of all the Ragdolls. Sepia, mink, and traditional Ragdolls are all pointed, and have varying shades of color throughout their coat; i.e., darker ears, nose, feet, and tail. A solid does not have this variation, so a black and white solid will have the strong bright white contrast against the rich dark black coloring. Solid Ragdolls have a very soft, thick, plush coat, similar to mink and sepia Ragdolls. Solid Ragdolls can have green, gold, blue, aqua blue, or a rainbow of other eye colors.
Traditional, mink, and sepia Ragdolls' color continues to deepen and darken as they mature, until they are up to 3 years old. Solid Ragdolls are born with full color, and they do not darken or lighten as they mature... their coat color remains the same.
Mink Ragdolls are RARE
Sepia and solid Ragdolls are VERY RARE
COMMON: seal and blue
RARE: flame, lynx, and tortie
ULTRA-RARE: chocolate, lilac, cream, cinnamon, and fawn