Origins
The word 'monochrome' entered English in the 1660s from Medieval Latin 'monochrōma,' ultimately from Greek 'monókhrōmos,' meaning 'of one colour.' The compound is built from two Greek elements: 'monos' (single, alone, only) and 'khrōma' (colour, pigment). To be monochrome is, etymologically, to be of a single colour — though modern usage has expanded the term to include works in shades, tints, and tones of that single colour, not merely the colour itself.
The Greek prefix 'monos' derives from Proto-Indo-European *men- (small, isolated) and is one of the most productive combining forms in English scientific and technical vocabulary: 'monocle' (single eyeglass), 'monolith' (single stone), 'monopoly' (single seller), 'monologue' (single speaker), 'monastery' (place of those who are alone), 'monk' (one who lives alone). The element 'khrōma' — from PIE *gʰrē- (to rub, to grind), with the original sense of pigment rubbed onto a surface — contributes its own extensive family: 'chromatic,' 'chromosome,' 'chrome,' 'polychrome.'
The word first appeared in English as an art-critical term. Painting in monochrome — using shades of a single colour — is an ancient technique with several named variants. 'Grisaille' (from French 'gris,' grey) describes monochrome painting in grey tones, often used to simulate sculpture or architectural relief. 'Camaïeu' (from French, of uncertain origin) describes monochrome painting in which the single colour is not grey but another hue — blue, brown, green. Renaissance and Baroque painters used monochrome techniques extensively, both as preparatory studies (underpainting) and as finished works.
Greek Origins
Pliny the Elder, writing in the first century CE, described ancient Greek painters who worked in what he called a restricted palette — often just four colours (white, black, red ochre, yellow ochre). He treated this limitation not as a deficiency but as a mark of discipline and mastery, arguing that the greatest painters achieved more with fewer colours than their successors managed with extensive palettes. This ancient debate about the relationship between chromatic range and artistic power anticipates modern aesthetic discussions about the expressive potential of monochrome.
The meaning of 'monochrome' expanded dramatically in the nineteenth and twentieth centuries with the invention of photography and television. Early photography was inherently monochrome — silver-based processes produced images in shades of grey, or in the sepia tones that resulted from gold-toning or sulfide-toning prints. When colour photography became commercially viable in the mid-twentieth century, the older process needed a distinguishing term, and 'monochrome' (alongside 'black and white') filled that role.
Television followed a similar trajectory. Early television was monochrome; colour broadcasting began in the United States in the 1950s but did not become dominant until the late 1960s. For a transitional generation, 'monochrome' versus 'colour' was the fundamental distinction in home entertainment technology. The BBC did not begin regular colour broadcasting until 1967; many households continued watching monochrome sets well into the 1970s.
Later History
In art, monochrome painting gained new theoretical significance in the twentieth century. Kazimir Malevich's 'Black Square' (1915) and 'White on White' (1918) reduced painting to monochrome geometry. Yves Klein's 'International Klein Blue' monochromes of the 1950s and 1960s elevated a single colour — a deep ultramarine blue he patented — to the status of a complete artistic statement. Ad Reinhardt's black paintings, Robert Ryman's white paintings, and the monochrome canvases of the Minimalist movement all explored what happens when colour is reduced to its simplest possible expression. These works asked a fundamental question: how much colour does a painting need?
The figurative sense of 'monochrome' — meaning dull, lacking variety, unrelievedly uniform — developed naturally from the visual sense. A 'monochrome existence' is one without colour in the metaphorical sense: without variety, excitement, or emotional range. This figurative usage implicitly treats colour as positive and its absence as negative — a cultural assumption that would have puzzled Pliny and his austere Greek masters.
In computing and digital technology, 'monochrome' describes displays capable of showing only one colour (typically green, amber, or white) against a black background. Early computer monitors were monochrome; the transition to colour displays in the 1980s and 1990s mirrored the earlier transitions in photography and television. Today, monochrome display technology persists in e-readers (which use electronic ink in black and white) and in certain industrial and medical imaging applications where colour is unnecessary or distracting.