Art Glossary

Abstract Expressionism made New York the center of the art world. From Pollock's drip paintings to Rothko's color fields, learn how gesture and scale changed painting forever.

Analogous colors sit next to each other on the color wheel, creating natural harmony. From Monet's water lilies to autumn landscapes, learn how artists use them.

Atmospheric perspective creates depth by making distant objects paler, bluer, and less detailed. Learn how Leonardo da Vinci codified it and how painters use it today.

Broken color places pure, unmixed strokes side by side to blend in the eye. Learn how Monet, Van Gogh, and Seurat used this technique for brighter, vibrating color.

Cadmium pigments produce the most vibrant yellows, oranges, and reds in painting. Learn their history from 1818 to today, why they degrade, and how artists from Van Gogh to Pollock used them.

Cold pressed paper is watercolor paper with a lightly textured surface, the most popular choice for watercolor. Learn how it works, its history, and why 80% of painters prefer it.

Color Field painting uses large expanses of flat color as the subject itself. Learn how Rothko, Newman, and Still pioneered this Abstract Expressionist style.

Color temperature is the perceived warmth or coolness of a color. From Caravaggio's warm shadows to Rothko's cool fields, learn how it works in art.

Color is the visual perception of different wavelengths of light. From Newton's spectrum to the Munsell system, learn how color works in art.

Complementary colors sit opposite each other on the color wheel and create maximum contrast. From Monet to Van Gogh, learn how artists use this powerful pairing.

Contrast in art is the placement of opposing visual elements to create tension and focus. Learn how Caravaggio, Vermeer, and Rothko used value, color, and texture contrast.

Cool colors are blues, greens, and purples. From Whistler's nocturnes to Rothko's blue fields, learn how cool colors recede, calm, and create depth in art.

De Stijl reduced art to horizontal and vertical lines and primary colors. Learn how Mondrian and van Doesburg built a universal visual language.

Divisionism is Seurat's theory of separating colors into individual strokes for optical mixing. Learn its history, key artists, and how it shaped modern art.

Dry brush is a painting technique using minimal paint on a dry brush to create broken, textured strokes. From Durer to Wyeth, learn how it works.

Fauvism was the first avant-garde movement of the 20th century, where color became the subject. Learn how Matisse and Derain used pure pigment to change painting.

Fugitive color is pigment that fades over time when exposed to light. From Van Gogh's geranium lake to cochineal reds, learn why some pigments vanish and how conservators fight back.

Gouache is opaque watercolor made with heavier pigment and chalk filler. Learn how Durer, Goya, and Matisse used a medium that lets you paint light over dark on paper.

Halation is the optical glow that appears where light meets dark in a painting. Learn how Baroque painters used dark halos and warm edges to make light appear to radiate.

Hard-edge painting features abrupt transitions between flat color areas. Learn how Frank Stella, Ellsworth Kelly, and California painters defined this style.

Harmony in art is the pleasing agreement between elements that makes a composition feel whole. Learn how color, shape, and proportion create harmony from Raphael to Rothko.

Hot pressed paper is watercolor paper pressed through heated rollers for a smooth surface. Learn how it works, its history, and why botanical illustrators and realists prefer it.

Hue is the name of a color: red, yellow, green, blue. From Newton's 1666 prism experiment to Munsell's color system, learn how hue works in art and perception.

Impressionism was the movement that shattered academic painting by capturing fleeting light with broken brushstrokes outdoors. From Monet to Renoir to Morisot, learn how it worked.

Lightfastness measures how well a pigment resists fading under light. Learn how the Blue Wool scale, ASTM ratings, and microfade testing protect art from irreversible color loss.

Local color is the actual color of an object in neutral light, unaffected by shadows or reflections. Learn how painters from Cezanne to Hopper used it.

Neo-Impressionism replaced Impressionist spontaneity with scientific color theory. Learn how Seurat and Signac used optical mixing and dotted color to paint light itself.

Optical mixing is the eye's blending of adjacent colors placed side by side. From Seurat's pointillism to Monet's brushwork, learn how it works.

Orphism was the movement that turned color into pure abstraction. From Delaunay's disks to Kupka's fugues, learn how Apollinaire's forgotten ism shaped modern painting.

The palette is the flat surface where painters mix colors before applying them. Learn its history, shapes, materials, and how artists from Vermeer to Monet arranged their paints.

Pigment is the colored substance used in paint, from prehistoric ochre to synthetic cadmiums. Learn its history, chemistry, types, and why some pigments last centuries.

Pointillism is Seurat's technique of applying small dots of pure color that blend in the viewer's eye. Learn its history, key artists, and how to spot it.

Post-Impressionism was not a single style but four artists who pushed beyond Impressionism in different directions. From Van Gogh's emotion to Cezanne's structure to Seurat's science.

Rag paper is paper made from cotton or linen rags, valued for its archival quality and strength. Learn its history from medieval China to modern watercolor paper and why it outlasts wood pulp.

Rough paper is watercolor paper with the heaviest texture, left to dry with minimal pressing. Learn how it creates dramatic granulation, its history, and why landscape painters prefer it.

Sap green is a yellow-green pigment made from buckthorn berries, used in medieval manuscripts and 18th-century watercolors. Its poor lightfastness led to its replacement by modern pigment mixtures.

Saturation is the intensity or purity of a color. From Matisse's red to Whistler's muted nocturnes, learn how saturation controls attention, mood, and space in art.

A shade is a color mixed with black. Navy is a shade of blue, maroon is a shade of red. From Caravaggio's shadows to Rothko's dark fields, learn how shades work.

Synaesthesia art is made by artists whose senses cross, like hearing colors or seeing sounds. Learn its history from Kandinsky to contemporary painters like Jack Coulter.

Tertiary colors are produced by mixing a primary with an adjacent secondary. From red-orange to blue-green, learn the six tertiary hues and how artists use them.

A tint is a color mixed with white. Pink is a tint of red, sky blue is a tint of blue. From Renaissance flesh tones to Monet's high-key canvases, learn how tints work.

Tone in art is a color mixed with gray, reducing its saturation. From Whistler's nocturnes to Morandi's bottles, learn how toned colors shape mood.

Underpainting is the foundational layer beneath a painting's surface. Learn about grisaille, verdaccio, dead coloring, and how Vermeer and Rembrandt used it.

Visual music translates sound into visual form. Learn its history from color organs to Oskar Fischinger, key artists, and how it evolved through digital technology.

Warm colors are reds, oranges, and yellows. From Turner's sunsets to Matisse's red interiors, learn how warm colors advance, energize, and command attention in art.

Watercolor paper is thick, absorbent paper designed for water media. Learn its history, cotton vs. wood pulp fibers, weights from 90 lb to 300 lb, and how to choose the right surface.

Watercolor is transparent paint made of pigment and gum arabic, applied with water on paper. Learn how Durer, Turner, and Homer used a medium that rewards directness and punishes hesitation.