9.1: Understanding Extension — Read

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Definition: Extension

The relationship between two or more areas of color in regards to the amount, degree, or range of each.

Extension is always at play in a composition and can help guide many compositional concerns. It relates not only to individual strokes and patches of color, but also to each of the contrasts studied so far. We can talk about the degree that value, saturation, or temperature are emphasized or suppressed in a work of art. Extension can be thought of in terms of three questions: Quantity, Amount, and Recurrence

The Three Main Questions of Extension \(\PageIndex{1}\)

The Three Main Properties of Extension
Property	Question to ask	Design Element
Quantity	How much?	Amount, Area, Shape, Scale, Proportion
Recurrence	How often? Where?	Singular/Multiple, Sparsity/density
Brilliance	How strong?	Saturation, Light/Dark Contrast, and Intensity

Three Examples

In order to better understand, lets take three examples of artworks where the meaning is tied very closely to one of these questions of extension: Barnet Newman’s Red, Yayoi Kusama’s dots, and Giorgio Morandi’s neutrals.

Who's Afraid of Red, Yellow and Blue?

Quantity

Image of a painting with a large area of red and very small strips of blue and yellow at each edge. — Figure \(\PageIndex{1}\): Digital Recreation of Newman's painting "Whose Afraid of Red, Yellow, and Blue III". ("Who's Afraid of Red, Yellow, and Blue III" by Barnett Newman, Public domain, via Wikimedia Commons)

Barnet Newman's painting measures 88inx214in. Red takes up the majority of the canvas. Along the left edge he has painted a narrow strip of blue and on the right and even narrower strip of yellow. This painting is provocatively titled, Who's Afraid of Red, Yellow, and Blue? A high modernist color field painter, Newman was famous for stripe paintings, large canvases with a single hue meant to provoke experiences with color. This title can be read as a challenge to those skeptics of this new turn art was taking. This 1966 painting was part of a series in which the artist used only the three primary colors in extreme porportion to acheive maximum visual impact. It was successful in challenging dissenters and provoking strong reactions, it was vandalized—twice! In part because of its bold defiance of figurative concerns in painting, but also due to the amount of space given to red, a color known for its ability to stimulate the heart rate in viewers.

Love Forever

Recurrence

In contrast to Newman, let's take a look at Japanese artist Yayoi Kusama. Kusama is known for her polka dots. The motif is present in a large body of painting, scultpture, and installation work. Her use of a single recurring shape creates visual unity and acts as a symbol of infinity and love. Some paintings feature limited palettes of red and white, achromatic neutrals and white, and others are fully polychrome. Throughout her work we are exposed to a range of mood and expression through changing colors, yet they are all held togethor through as a cosmic multiplicity of dots.

Everyday Beauty

Brilliance (or lack thereof)

Dr. Beth Harris and Dr. Steven Zucker, "On looking closely: Giorgio Morandi, Still Life," in Smarthistory, December 13, 2024, accessed January 20, 2026.

Girogio Morandi was known for his delicate and sensitive still lives of vases. He used muted palettes and explored subtle shifts in value to great effect. Restraint in chromatic intensity allowed him to create a feeling of calm and enduring beauty, the kind that is consistent and reliable as the morning light on a set of vases in the kitchen. Here the lack of intensity gives us the strongest cues to the meaning of the work.

This page titled 9.1: Understanding Extension was last modified on Tue, 18 Aug 2026 00:49:37 GMT and is shared under a mixed license and was authored, remixed, and/or curated by Lauren Champlin.

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