A palette in the original sense of the word, is a rigid, flat surface on which a painter arranges and mixes paint

Paint

Paint is any liquid, liquefiable, or mastic composition which after application to a substrate in a thin layer is converted to an opaque solid film. One may also consider the digital mimicry thereof...

s. A palette is usually made of wood

Wood

Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...

, plastic

Plastic

A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...

, ceramic

Ceramic

A ceramic is an inorganic, nonmetallic solid prepared by the action of heat and subsequent cooling. Ceramic materials may have a crystalline or partly crystalline structure, or may be amorphous...

, or other hard, inert

Inert

-Chemistry:In chemistry, the term inert is used to describe a substance that is not chemically reactive.The noble gases were previously known as inert gases because of their perceived lack of participation in any chemical reactions...

, nonporous material, and can vary greatly in size and shape. The most commonly known type of painter's palette is made of a thin wood board designed to be held in the artist's hand and rest on the artist's arm.

From the original, literal sense above came a figurative sense by extension, referring to a selection of colors, as used in a specific art object or in a group of works comprising a visual style. This second, figurative sense is the one extended in the digital era to the computing senses of "palette"

Palette (computing)

In computer graphics, a palette is either a given, finite set of colors for the management of digital images , or a small on-screen graphical element for choosing from a limited set of choices, not necessarily colors .Depending on the context In computer graphics, a palette is either a given,...

.

Wet palette

A wet palette is a sealable container with a layer of absorbent material (such as tissue paper or sponge) that can be soaked with water and a semi-permeable membrane (such as parchment

Parchment

Parchment is a thin material made from calfskin, sheepskin or goatskin, often split. Its most common use was as a material for writing on, for documents, notes, or the pages of a book, codex or manuscript. It is distinct from leather in that parchment is limed but not tanned; therefore, it is very...

, greaseproof paper

Greaseproof paper

Greaseproof paper is paper that is impermeable to oil or grease and is normally used in cooking or food packaging. Normally greaseproof paper is produced by refining the paper stock and thus create a sheet with very low porosity. This sheet is supercalendered to further improve the density...

 or baking paper (silicone paper)) over that. The paint sits on the membrane and is kept wet by osmosis

Osmosis

Osmosis is the movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, aiming to equalize the solute concentrations on the two sides...

. Wet palettes can be bought, but are easily made.

External links

• Palette, Online Etymology Dictionary
  Online Etymology Dictionary
  The Online Etymology Dictionary is an online dictionary that describes the origins of English-language words. The abbreviation, OED, coincides with the frequently used acronym for the Oxford English Dictionary.-Description:...