PY 53 – nickel titanium yellow PY 53 – nickel titanium yellow It is used as a replacement for naples yellow Manufacturer/ product code: Kremer / 43200Chemical Description: nickel antimony titanium rutileColor: yellowColor Index: PY 53Date: from 1954 Reflectance Spectroscopy (350-950 nm) Reflectance Spectroscopy (200-1250 nm) Reflectance Spectroscopy (950-1700 nm) XRF Spectroscopy Raman Spectroscopy (532 nm) Raman Spectroscopy (785 nm) Raman Spectroscopy (830 nm) FTIR Spectroscopy (non-invasive )