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home·artworks·Arco di Settimio Severo
Arco di Settimio Severo by Giovanni Battista Piranesi

plate no. 4087

Arco di Settimio Severo

Giovanni Battista Piranesi, 1759

oilNeoclassicismcityscapearchitecturecityscapebuildingscolumnfiguresarch

what to study here

It shows how hatching density alone can produce a full value range and describe the direction of each surface.

Study how tone is built entirely from line. The vision guide describes black lines on white paper with no washes: the lightest values are bare paper in the sky, mid-tones come from parallel hatching, and the deepest darks come from dense layered lines in the arch vault and capital shadows. Notice that the hatching follows form: parallel lines hug the cylindrical column, curved lines model the dome, and rectilinear patterns follow the stonework. Light enters from the upper left, so shadow sits on the right of the structures and deep inside the arch opening. The composition reads vertically up the tall column first, then across the arch toward the church dome. Tiny figures in the foreground set the scale of the ruins. Copy a small area of the column and match its line spacing before trying the whole view. Check the value groups by squinting: dark arch vault, mid-lit stone masses, bright sky. Be aware that the page's recreation text describes an oil painting with glazes and color, which does not match what the image shows.

key decision

The painter built every value from line density and direction, with no washes, leaving paper white for sky and highlights and reserving the densest layered hatching for the arch vault.

recreation guide

Giovanni Battista Piranesi’s *Arco di Settimio Severo* (1759) is a quintessential example of the *veduta* (topographical view) genre, characterized by its rigorous architectural accuracy combined with dramatic atmospheric effects. While Piranesi is primarily renowned for his etchings, this oil painting demonstrates his ability to translate the precision of printmaking into the medium of paint. The work reflects the Neoclassical interest in Roman antiquity, driven by the Grand Tour and the rediscovery of sites like Pompeii and Herculaneum (Source 8). Piranesi’s approach involved not just faithful imitation of remains, but also the poetic reconstruction of missing parts and the manipulation of scale and light to create a striking, monumental effect (Source 7).

estimated time

40-60 hours over 8-12 sessions

materials

4 items

steps

6 in sequence

materials

itempurposemodern equivalent
Oil paints (Ultramarine, White, Black, Red Ochre, Yellow Ochre)Primary pigments for the grisaille underpainting and subsequent glazing/scumbling layers.Modern tube oils of equivalent pigment composition (e.g., Ultramarine Blue, Titanium White, Ivory Black, Natural Red Ochre, Yellow Ochre).
Oil of Copavia (or modern stand oil/linseed oil)Medium for the initial oil layers, as recommended by Sir Joshua Reynolds for establishing the method of painting.Stand oil or refined linseed oil.
VarnishMixed with oil for later glazing stages to achieve transparency and depth.Dammar varnish or resin varnish.
Canvas or PanelSupport for the oil painting.Linen canvas primed with gesso.

preparation

surface prep

Prepare a rigid support (panel or stretched canvas) with a smooth ground. Piranesi’s work emphasizes fine detail and sharp contours, suggesting a smooth surface is preferable to heavy texture. While specific priming recipes for this exact painting are not detailed in the sources, the general practice of the period involved a white or light-toned ground to facilitate the grisaille technique described in Source 1.

underdrawing

Use a contour drawing approach to establish the precise architectural lines of the Arch of Septimius Severus. Piranesi’s style relies on 'faithful imitation' of engineering and 'masterful skill' in rendering lines (Source 7). The drawing should emphasize mass, volume, and the 'broad and scientific distribution of light and shade' (Source 7). Use a light, continuous line to define the silhouette and structural elements, ensuring accurate perspective as required for coherent landscape/cityscape depiction (Source 4).

underpainting

Execute a grisaille (monochrome underpainting) using black, ultramarine, and white mixed with oil of copavia (Source 1). This layer should establish the full tonal range of the composition, from the deepest shadows in the arch’s recesses to the brightest highlights on the sunlit stone. Mentally extract red and yellow colors, focusing on the values that would remain if those hues were absent (Source 1). This step is crucial for achieving the 'chiaro-scuro' effects and gradation of light described in Source 2.

color palette

Ultramarine/Black/White

Ultramarine blue, Ivory black, White lead/titanium

Grisaille underpainting to establish tone and form (Source 1).

Red Ochre/Terra di Siena

Red earth pigments

Glazing and scumbling to introduce warm tones to the stone and sky, simulating the 'red and yellow tones' extracted in the grisaille (Source 1).

Yellow Ochre

Yellow earth pigments

Glazing to add warmth and luminosity to sunlit areas, enhancing the 'golden age' aesthetic associated with Neoclassicism (Source 8).

Transparent Glazes (Red/Yellow)

Diluted red and yellow oils mixed with varnish

Final color layering to achieve depth and richness, mimicking the tinting of an engraving (Source 1).

composition

The composition likely features the Arch of Septimius Severo as the central focal point, rendered with 'broad and scientific distribution of light and shade' to create a striking effect (Source 7). Piranesi often included human figures to provide scale and narrative context, potentially depicting 'poverty, lameness, or other visible flaws' to echo the decay of the ruins (Source 7). The perspective should be rigorous, bridging the foreground with the architectural subject, consistent with the 'coherent depiction of a whole landscape' requiring a system of perspective (Source 4).

step by step

underdrawing→underpainting→first pass→refining→finishing→varnishing

underdrawing

  1. step 01

    Sketch the architectural structure of the Arch of Septimius Severo using contour lines. Focus on the mass and volume of the stone, ensuring accurate perspective and proportion.

    Tip — Emphasize the outline and structural integrity, as Piranesi valued 'faithful imitation' of engineering (Source 7).

    Contour drawing

underpainting

  1. step 02

    Apply a grisaille layer using black, ultramarine, and white mixed with oil of copavia. Establish all light and shadow values without color.

    Tip — Mentally extract red and yellow colors, focusing on the underlying tonal structure (Source 1).

    Grisaille

first pass

  1. step 03

    Once the grisaille is dry, begin glazing and scumbling with oil. Apply transparent coats of red and yellow tones to the sunlit areas.

    Tip — Treat the process like tinting an engraving with watercolors, building up color gradually (Source 1).

    Glazing

refining

  1. step 04

    Use scumbling (semi-opaque painting) over darker grounds to create coldness or grey blooms, enhancing the texture of the stone and the atmospheric depth.

    Tip — Observe how the underlying painting shows through, creating a 'grey bloom' effect (Source 1).

    Scumbling

finishing

  1. step 05

    Refine the chiaroscuro effects, ensuring that the juxtaposition of light and dark tones creates a true gradation of light. Adjust colors based on simultaneous contrast principles.

    Tip — Be aware that adjacent colors will influence each other; the lightest tone may be lowered and the darkest heightened (Source 2, Source 3).

    Chiaroscuro/Simultaneous Contrast

varnishing

  1. step 06

    Apply a final varnish mixed with oil to unify the glazes and protect the surface, enhancing the depth and richness of the colors.

    Tip — Ensure the varnish is applied evenly to avoid uneven glossiness.

    Varnishing

critical techniques

Grisaille Underpainting

Used to establish tonal values before adding color, allowing for precise control of light and shadow. This method was 'practised by the old masters far more generally' than modern painters might assume (Source 1).

Glazing and Scumbling

Glazing adds transparent color layers, while scumbling adds semi-opaque layers. These techniques allow for the 'tinting' of the monochrome base, creating depth and luminosity (Source 1).

Simultaneous Contrast

Understanding how adjacent colors affect each other is crucial for harmonizing the composition. The painter must account for the 'complementary of the colour of the other object' to achieve accurate color perception (Source 3).

Chiaroscuro

The use of strong contrasts between light and dark to create volume and drama. This is essential for Piranesi’s 'broad and scientific distribution of light and shade' (Source 7).

common pitfalls

  • →Applying color too early before the grisaille is dry, which can muddy the tonal foundation (Source 1).
  • →Ignoring the effects of simultaneous contrast, leading to inaccurate color perception and disharmony in the composition (Source 3).
  • →Over-modeling or becoming too tied to the outline, which can result in a 'smallness' or lack of broad effect (Source 5).
  • →Failing to capture the 'poetic aspects' and 'manipulations of scale' that characterize Piranesi’s work, resulting in a mere topographical record rather than an artistic interpretation (Source 7).

what the sources don't tell us

Where the corpus is silent, we say so rather than guess. These are the gaps a complete recreation guide would normally cover that our source passages don't.

  • ·Specific pigment recipes used by Piranesi for this particular oil painting are not detailed in the sources; the guide relies on general 18th-century practices and Reynolds' recommendations.
  • ·The exact dimensions and aspect ratio of the original oil painting are not provided, which may affect compositional planning.
  • ·Details about the specific human figures included in this version of the Arch of Septimius Severo are not described in the sources, so their inclusion and depiction are inferred from general stylistic traits.

grounded in

The technical procedure in this guide traces to the following classical art-instruction texts.

  • The Practice of Oil Painting↗

    • COLOURING A MONOCHROME — applied to Grisaille underpainting, glazing, and scumbling techniques.
  • Laws of Contrast of Colour↗

    • 6. Put beside each other two flat tints... — applied to Chiaroscuro and simultaneous contrast principles.
    • 315. As to the advantages the painter will find in it... — applied to Color harmony and perception adjustments.

cross-referenced from

Named facts about this artwork and artist were checked against these reference pages.

  • Wikipedia: Landscape painting↗

    • Landscape painting — part 2 — applied to Perspective and composition in cityscapes.
  • Wikipedia bio — Giovanni Battista Piranesi↗

    • part 3 — applied to Piranesi’s style, use of light/shade, and inclusion of figures.
    • part 4 — applied to Neoclassical context and influence of Roman ruins.

Read more about the corpus on the sources page and how the guides are built on the methods page.

read from the painting

observed from the image, not the label
6 dominant colors, measured

what the eye sees

Light streams from the upper left, casting deep shadows into the arch openings and along the right sides of structures. The composition is anchored by a towering Corinthian column on the left—its verticality and isolation command immediate attention—while the monumental arch sits partially beneath it, creating a spatial puzzle. To the right, a domed church rises with full architectural elaboration, and a lower residential building grounds the composition. Tiny figures scattered across the dusty foreground establish human scale against the ruins. Your eye travels vertically up the column first, then horizontally across the arch and toward the church dome.

value structure

The deepest blacks concentrate in shadow recesses: the arch opening, the base shadows of architectural forms, and the colonnade capitals. The sky and upper atmosphere are the brightest whites, with clouds modulating the value. The middle tones—created entirely through line density—dominate the illuminated architectural surfaces. When you squint, the clear value groups are: the deep shadow of the arch vault, the mid-lit stone masses of buildings, and the bright sky creating separation.

observed palette and mixes

  • #f2f2f2

    pure white paper

    sky, particularly upper register and cloud highlights

  • #e6e6e6

    white with lightest gray wash or very sparse hatching

    cloud undersides and architectural highlights

  • #d7d7d7

    light gray achieved through fine parallel hatching

    illuminated stone surfaces, building facades in direct light

  • #bbbbbb

    medium gray through denser cross-hatching

    mid-tone shadows on architectural forms, recessed architectural detail

  • #979797

    darker gray through very dense parallel lines

    deep shadow passages under arches, within column flutes

  • #575757

    black ink, pure or very dense layering

    deepest shadows in arch vaults, capital shadows, and darkest recesses

edges and brushwork

This work is pure linear technique—no tonal washes, only precise black lines on white paper, likely etched or engraved. Edges are sharply defined where light strikes form, but shadow edges soften through accumulated hatching. The hatching follows surface geometry: parallel lines hug the cylindrical column, curved lines model the dome, and rectilinear patterns follow stonework. The linework is so controlled it becomes nearly invisible—your eye reads architecture, not hand.

a working sequence

  1. 01

    Map the perspective framework

    Lightly sketch the vanishing point and horizon line—it sits roughly in the middle distance where the plaza meets the far buildings. Map the footprint of the arch at ground level and its vertical rise to the entablature. Block in the column's central vertical and the dome's placement to the right. This composition relies entirely on accurate perspective; invest time here.

  2. 02

    Define the major architectural masses

    Sketch the solitary column with its fluting, the arch's three-dimensional structure (front face and receding depth), the church building with its dome and lower structures, and the residential building on the left. Pay attention to how the arch recedes backward—this depth is crucial. Indicate the foreground ground plane with its slight perspective tilt.

  3. 03

    Establish light direction and shadow placement

    Light comes from upper left. Mark the shadow face of the column (right side), the deep shadow inside the arch opening, and all ground shadows cast by architecture. The church dome's right face catches light; the church's left flank and interior are in shadow. These shadow zones will receive your heaviest hatching. Squint frequently to clarify where lights and darks truly separate.

  4. 04

    Begin the darkest passages with organized hatching

    Start with the arch vault interior—this is the deepest black. Use closely-spaced parallel lines, then cross-hatch over them. Work the shadows at the base of the column and under the entablature. Build these areas slowly; darkness from layered line work is more convincing than a single heavy stroke. The linework here creates the sense of recessed stone and shadow.

  5. 05

    Hatch the mid-tone architectural surfaces

    Illuminate the column's fluting with carefully spaced parallel lines running vertically—they create its cylindrical form. Hatch the sun-facing facades of the church and buildings with medium-density parallel lines. The linework should follow surface direction: horizontals for horizontal surfaces, diagonals for receding planes. Leave some paper white for the brightest highlights on the dome and upper architecture.

  6. 06

    Add architectural ornament and molding detail

    Now render the capitals, bases, entablatures, and decorative elements. The Corinthian capital is intricate—use tighter parallel lines to shade its volutes and carved surfaces. Define window and door openings with precise rectangles and interior shadow. Small details like string courses and cornices guide the eye and anchor the illusion of carved stone.

  7. 07

    Model the sky and atmospheric effects

    The sky is nearly white but has soft cloud forms. Add gentle parallel hatching to cloud undersides—keep these light. Let the upper sky remain mostly white to create brightness. Use the sky's value to separate the dark architectural silhouettes. The contrast between bright sky and dark stone is essential to the composition's drama.

  8. 08

    Add foreground figures and refine final details

    Indicate tiny human figures in groups across the plaza—they need only suggestion, a few lines for posture and shadow. Add scattered debris and rocks with quick cross-hatching. Make final passes: sharpen dark-to-light edges where shadow meets light, deepen any shadow areas that read too light, and confirm that your line weight and spacing are consistent throughout. Step back frequently to assess overall value balance.

  9. 09

    Final refinement and edge control

    Review your linework for consistency—hatching angle, line spacing, and pressure should feel uniform across similar value ranges. Soften some shadow edges through gentler hatching; keep others sharp where sunlight creates clear division. The work should feel like a unified linear composition, not patches of different techniques. A single wandering mark now reads loudly; resist over-working.

where studies of this painting go wrong

  • Perspective collapse: The arch recedes sharply backward; if your orthogonals aren't true, the structure will feel flat or twisted. Test perspective relationships repeatedly with your ruler.
  • Hatching inconsistency: It's easy for line weight and spacing to drift as fatigue sets in. Mark a small hatching reference swatch on scrap paper and match it throughout—consistency in technique is what sells the illusion.
  • Overworking the column: It dominates visually but is relatively simple geometrically. Resist the urge to add texture that isn't there; the fluting and subtle shadow modeling are enough.
  • Sky value errors: If your sky hatches too densely, it competes with the architecture instead of receding. Keep it very light—the clouds are the only modulation needed.
  • Losing the architecture in detail: It's tempting to render every ornament equally. Step back constantly; the dome, arch, and column should read first, details second.

measured difficulty

beginner friendliness
value contrast
palette complexity
compositional simplicity
brushwork visibility

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