From “Yellow Ocher” to “Yellowing”
- Yellow Ocher
- A yellow pigment often used by artists that usually contains limonite, a yellowish-brown oxide of iron; a natural earth pigment containing hydrated iron oxide, which ranges in color from yellow to deep orange or brown.
- A discoloration that can occur over time in oil paintings due to excessive use of linseed oil medium; applying any of the varnishes that are prone to yellow with age; or most often – an accumulation of dirt embedded into the varnish.
UPDATED: 25 April 2016