Sun Tribune

[pjgriffo]

Last one;
Nothing leaves old colour in a muscle (5)
B - A - N.
Answer has to be BRAWN I think, but what's the logic?

[farmerswife]

did Brown used to be spelled BRAOWN?

[altomunster]

Old colour is BROWN. Take out nothing (o) and put in ("a"}
gives you BRAWN

[pjgriffo]

Thank you both.