French Raw Sienna, PY43, natural hydrated iron oxide has the same dry and soft suede like quality of French Burnt Ochre. In color it is a deeper and richer tone than our regular Raw Sienna and in masstone is similar to Italian Raw Sienna but with a slightly less warm and slightly more gold/green characteristic. Its tint is pale but warm and exhibits much of the same gold yellow quality found in the masstone. PY43 - Natural Hydrated Iron Oxide Semi-Opaque / Lightfastness: I - Excellent A deeper and richer tone than our regular Raw Sienna and in masstone is similar to Italian Raw Sienna but with a slightly less warm and slightly more gold/green characteristic. Its tint is pale but warm and exhibits much of the same gold yellow quality found in the masstone.