Our original answer was to see a professional carpet cleaner immediately, but a member, a hairdresser for many years, saw this problem a lot. She said although nothing "always works" especially after it sits for a while, she suggested, dabbing a little h202 (hydrogen peroxide) on a cotton ball and gently rubbing area.
Unfortunately dye holds strongly on most soft surfaces. Check with a professional carpet cleaner or dry cleaner in your area.
Note: Always test an inconspicuous area for colorfastness, etc. before treating the exposed area. Also note that certain stains are permanent.For more cleaning and stain removal tips and hints, please visit our cleaning community forum where experts are ready to help answer your questions.
. Questions of a Do It Yourself nature should be submitted to our "