Street Art: History, Techniques and Key Artists

Street art changes the way a city is read. A wall becomes an image, a doorway frames a figure, and a familiar route suddenly carries a message. The field includes writing, murals, stencils, paste-ups, mosaics and installations, but it is not a single style or a polite synonym for graffiti. Its force comes from the meeting between an intervention, a site and the people who encounter it—sometimes with permission, sometimes without it.

This guide traces the history of street art, explains its main techniques and examines its relationship with public space. Our introduction to urban art provides context: street art overlaps with graffiti, muralism and public art, yet each has its own histories, codes and legal conditions.

The origins of street art

People have written and drawn on shared surfaces for centuries, but ancient inscriptions are not the direct beginning of today’s street art. The modern genealogy is tied more closely to names and images circulating through twentieth-century cities. In New York, writing on streets and subway trains expanded rapidly from the early 1970s. Tags established presence; larger pieces turned letters into colour, rhythm and competition. This graffiti-writing culture developed its own techniques and social rules before museums and galleries began to collect parts of it.

The Museum of the City of New York describes this early scene as a consciously artistic movement born from unsanctioned practice. Writers such as Lee Quiñones, Lady Pink, Futura 2000 and Rammellzee later worked on paper and canvas as well as trains or walls. Their passage into exhibitions did not simply turn graffiti into respectable painting. It created a productive tension between an art made for circulation in the city and an object made to be conserved, sold or displayed.

Jean-Michel Basquiat and Keith Haring belong to the same downtown New York ecology, but neither should be reduced to the label of graffiti artist. Basquiat first became visible through the cryptic SAMO texts before developing a studio practice built from words, anatomy, history and music. Haring drew rapidly on unused advertising panels in the subway and was deeply influenced by graffiti culture, while creating a distinct pictorial language across drawing, painting, performance and public projects.

From the 1980s onward, stencil art, posters, stickers, mosaics and large-scale murals broadened the field internationally. Paris, London, Berlin, São Paulo, Lisbon and many other cities developed scenes shaped by their own architecture and politics. Moving from street to gallery could bring recognition and resources, but it also raised questions that still matter: who owns an image made in public, what is lost when a wall is removed, and can an unsanctioned gesture retain its meaning inside the art market?

Key figures without a single pantheon

Banksy made the stencil an unusually efficient vehicle for visual reversals: a simple silhouette can be understood at a glance, then unsettled by the object or gesture placed beside it. Flower Thrower demonstrates that economy, pairing the pose of a protester with a bouquet rather than a projectile.

No short list can define a field built across continents and informal networks. The artists below are useful as different ways of working with repetition, visibility, architecture and political imagery—not as a definitive ranking.

• Banksy: stencils that combine concise visual jokes, institutional critique and the strategic use of anonymity.
• Jean-Michel Basquiat: SAMO texts and a later studio practice in which language, Black history, anatomy and music collide; his career cannot be contained by “street art.”
• Graffiti writers: generations of artists who developed lettering, throw-ups, pieces and train-based circulation as a culture with its own standards.
• Shepard Fairey: stickers, posters and repeated emblems that explore propaganda, branding and political persuasion.
• Invader and C215: two very different practices—ceramic pixel mosaics for the former, layered stencil portraits for the latter—that show how a recognisable method can travel from city to city.

What unites these practices is not a material or an ideology. It is an active relation to visibility: the work enters an already occupied space and must negotiate distance, speed, weather, neighbours, authorities and other images. Street art is therefore as much about placement and circulation as it is about the motif itself.

Other artists and approaches worth knowing

• SpY: conceptual interventions that redirect signs, urban furniture and familiar routines.
• ABOVE: graphic signs and word-based interventions designed for rapid reading in public space.
• David Choe: an expansive practice across murals, drawing and painting, whose public profile also requires a critical reading of celebrity and controversy.
• ROA: monumental black-and-white animals whose bodies appear to inhabit, expose or decay with the architecture.
• Jace: small Gouzou figures that build humour and narrative through recurring encounters with their surroundings.
• Vhils: portraits formed by cutting, drilling and removing layers, making the material history of a wall part of the image.
• Eduardo Kobra: monumental portraits and historical scenes recognised by their high-contrast, prismatic palette.
• Women and local collectives: from Lady Pink to community mural teams, their work challenges histories that too often tell urban art through a narrow group of male celebrities.

Techniques and visual languages

Graffiti writing begins with the name and the letter. A tag is a signature; a throw-up is a fast, larger form; a piece develops colour, outline and internal structure. It is inaccurate to treat every spray-painted mural as graffiti, because many commissioned murals do not participate in writing culture at all. It is equally inaccurate to reduce graffiti to careless marking: its letterforms, reputations, routes and risks are learned within a specific community.

Stencils make complex silhouettes repeatable and relatively quick to apply. Paste-ups and posters shift much of the production into the studio before paper meets the wall. Stickers favour multiplication and intimate scale, while ceramic mosaics survive differently from paint. Each method carries a practical logic—speed, cost, durability, portability—and that logic becomes part of the work’s meaning.

Murals use brushes, rollers or aerosol over a larger architectural field. Some are spontaneous; others emerge from commissions, workshops and long conversations with residents. Installations may add objects, light, yarn or altered street furniture. Vhils removes matter rather than adding it. Such variety makes “street art style” a misleading phrase: the field can be figurative, typographic, conceptual, geometric or close to lyrical abstraction.

Composition also changes with the site. A narrow corner rewards a close, vertical image; a railway wall asks for rhythm across distance; a façade can turn windows into eyes or gaps. Colour must compete with traffic signs, brick, posters and changing daylight. What looks complete in a photograph may have depended on a passing train, a shadow or a particular route through the neighbourhood. The same diversity shapes our street art wall art selection, where works are grouped by visual character rather than treated as a single style.

The most useful way to read a work is therefore to ask four questions: what method was used, why this surface, who was expected to see it, and what changes when the work is photographed or moved? Technique is never only a recipe. It organises time, access, risk and audience.

Street art and public space

Public space is not an empty canvas. It is owned, regulated, maintained and inhabited. An intervention can reveal a neglected surface, challenge an official story or offer a neighbourhood a new point of recognition. It can also cover someone else’s work, accelerate gentrifying imagery or speak over residents. Calling all street art “democratic” ignores these conflicts; public visibility does not automatically create public consent.

Legality and artistic value are separate questions. An unauthorised work may be visually or historically significant while still damaging property. A permitted mural may be ambitious and socially meaningful without belonging to graffiti culture. The distinction matters because it avoids romanticising risk and protects the right of communities and property owners to take part in decisions about shared surfaces.

Commissioned programmes show another model. Mural Arts Philadelphia grew from an anti-graffiti initiative into a large public-art organisation that works with artists, residents, schools and civic partners. Its history is not proof that every mural transforms a neighbourhood, but it demonstrates how research, consultation and collective making can become part of the artwork rather than an administrative detail.

Street art can operate as protest, memorial, humour, orientation or counter-advertising. A stencil compresses a message; a portrait makes a person publicly visible; a recurring character creates familiarity across districts. The same image can also be photographed, shared and detached from its location, gaining a global audience while losing the precise wall, conflict or community that first gave it force.

Its ephemerality is not a defect to be solved in every case. Weather, cleaning, demolition and overpainting are part of the medium’s conditions. Conservation can preserve an important trace, yet removing a wall panel for sale changes the work’s legal, spatial and social meaning. The photograph is often an archive, not a substitute for the encounter.

The future of street art

Street art now moves between unsanctioned intervention, festivals, community commissions, galleries and digital circulation. Projection, augmented reality and mapping add temporary layers without paint, while artists continue to rely on the direct intelligence of a line, a letter or a repeated sign. The field’s future will not be decided by technology alone. Its central questions remain who controls visibility, who may alter a place and how an image keeps—or loses—its relation to a community.

The vitality of street art lies in that unresolved negotiation. It can be immediate without being simple, public without speaking for everyone, and collectible without ceasing to raise questions about ownership. To bring its visual energy indoors without pretending that a canvas is a wall in the city, explore our street art wall art collection: compositions selected for colour, rhythm and impact, presented clearly as decorative works rather than anonymous finds lifted from the street.