interior color paint codes ???

I removed a piece from the interior that was hidden from the sun. Carried this to Orilies Auto parts
They mixed the paint to match. When I sprayed it was more glossy than I needed. Went back and was given a small can of flattening agent to add to the paint. Came out really nice. Look behind things or under things to find the color.
Good luck
Yea I did that twice & twice at my local MARTIN SENIOR store. They used that gun to shoot colors but no go