Reading Time: 3 minutes This is a cool yellow containing PY53 as a single pigment. It is: Pigment(s) PY53 was developed in the 1960s and is may be known as as Nickel Antimony Titanium Yellow Rutile or Nickel Titanium Oxide. It has the chemical formula NiO·Sb2O3·20TiO2 – this is …