Yellowing

Yellowing is an effect usually associated with oil paintings and can occur due to a number of reasons.

Definition: Yellowing refers to the discoloration of an artwork due to age, humidity, inferior materials/techniques or improper storage.
Pronunciation: yel-oh-ing
Also Known As: Discoloration, aging ...

Yellowing: 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.

Yellowing - This effect on oil paintings is usually caused by one of three reasons: excessive use of linseed oil medium; applying any of the varnishes that are prone to yellow with age; ...

yellowing - In painting, a tendency on the part of binding media to turn a tint towards yellow. This is most likely to occur when linseed oil is included.

acid free - non-acidic, pH balanced (paper) resistant to discoloring or yellowing
acrylic - clear plastic binder used in the manufacture of paint and as a casting material in sculpture; acrylic resin ...

These oils give various properties to the oil paint, such as less yellowing or different drying times. Certain differences are also visible in the sheen of the paints depending on the oil.

laden with yellowing pictures arranged in brown envelopes.
"These are photos of my grandfathers and grandmothers," she said.
I looked at the photos and embarrassingly joked
about their likeness to "Jewish faces." ...

It makes a smooth, hard non-yellowing surface that is very absorbent. This ground is only for rigid supports because it is brittle. There are other gesso grounds made of half chalk and half oil. These can be used on flexible surfaces.

Over time, however, either a yellowing or darkening of the varnish film can take place.

The best are colorless, non-yellowing, and flexible. Some fixatives permit a medium to remain workable, while others lock it into its position. Some permit the choice of a glossy or a matte finish.

Desirable properties include, fairly quick drying, some plasticity, resistance to cracking, blooming and yellowing. The natural resin varnishes that have been used for centuries include: mastic, copal and dammar.

A silkscreen can be recognized by the boldness and evenness of color, and upon examination the print can be seen to be made up of many different layers of ink - one layer for each color. Each piece is coated with a clear finish that is non-yellowing, ...

See also: School, Fine art, Conservation, Size, Painting