Stained part of satin teddy bear (6)
I believe the answer is:
tinted
'stained' is the definition.
(thesaurus)
'part of satin teddy bear' is the wordplay.
'part of' says the answer is hidden in the clue.
'TINTED' can be found hidden inside 'satin teddy bear'.
(Other definitions for tinted that I've seen before include "Faintly coloured" , "Coloured slightly, spectacles or windscreens" , "Lightly coloured" , "'Coloured, shaded (6)'" , "Slightly coloured as hair may be" .)