I do not believe there is a difference between lesser and butter.
or mystic and phantom
or banana and coral glow
a couple of the variously named fire complex snakes seem to make the same stuff
all the pastels are the same
subtle differences can often be remarked on, however there are always other genes at play that can change the appearance of the snake.
I proved out a mojave this year that I didn't think was a mojave because she is so flipping dark, but she made purple passions and super mojaves so therefore in my head she is a mojave even if she doesn't look like my other mojaves.