plate no. 0047

The Hour of Prayer

oilRealismcityscapearchitecturefiguresinteriormosqueprayerdome

what to study here

It shows how a limited warm palette, soft shadow edges and massed figures can make a large interior read as deep, monumental space.

Study how the value structure carries the picture. The visionGuide describes three bands: near-black shadow inside the barrel vault, warm ochre and tan mid-tones on lit stone and clothing, and pale sandy light on the exposed foreground floor. Light enters from the left through the arched entrance, and the arch reads as a dark silhouetting frame against the bright courtyard when you squint. The eye moves from the bright entry to the praying figures, then back along the vault into shadow. Note the edge control: the boundary between lit floor and shadowed interior is soft, while hard edges are saved for sun-struck arch moldings and the kiosk's colonnade. The figures are massed in warm dark notation, with no individual heads detailed, so they give human scale without competing with the architecture. The palette is a narrow warm range of umbers, ochres and white, with the shadows kept warm rather than blue-black. Copy the value masses and edge hierarchy first, before any color.

key decision

The painter kept the vault's shadow dark but warm and let the lit floor fade into it with a soft edge. Hard edges are reserved for the arch moldings and the kiosk colonnade.

recreation guide

Joseph Farquharson’s 'The Hour of Prayer' (1868) is a cityscape executed in oil, situated within the Realist tradition. While the specific visual narrative of this particular 1868 work is not detailed in the provided sources, Farquharson is historically associated with atmospheric landscape and cityscape painting that emphasizes light and mood. The recreation of this work relies on established 19th-century oil painting practices, particularly the use of monochrome underpainting (grisaille) to establish form and value before applying color. This method allows the artist to mentally extract specific hues to focus on structural integrity, a technique noted in contemporary treatises on oil painting practice (Source 1). The composition likely adheres to principles of visual balance, avoiding exact bisections and utilizing contrast to guide the viewer’s eye, consistent with general compositional theory of the era (Source 5).

estimated time

20-30 hours over 5-7 sessions

materials

5 items

steps

4 in sequence

materials

item	purpose	modern equivalent
Oil paints (Black, Ultramarine, White)	For the initial grisaille underpainting to establish values and forms without color distraction.	Modern tube oils: Ivory Black, Ultramarine Blue, Titanium White.
Oil of Copavia (or modern linseed/walnut oil)	Medium for the first and second paintings to ensure proper flow and drying characteristics.	Stand linseed oil or walnut oil.
Transparent glazing colors (Reds, Yellows)	To apply color in transparent layers over the dry grisaille, simulating the effect of light and atmospheric tone.	Alizarin Crimson, Cadmium Yellow Light, or similar transparent/semi-transparent pigments.
Varnish	Mixed with oil for later glazing stages to increase transparency and depth.	Dammar varnish or modern synthetic resin varnish.
Canvas or Panel	Support for the oil painting.	Linen canvas primed with gesso or oil ground.

preparation

surface prep

The surface should be prepared to accept oil paint. While specific priming methods for Farquharson are not detailed in the sources, the referenced practice involves painting with oil of copavia, suggesting a traditional oil ground or a well-sized canvas that allows for the fluidity of the medium described in Sir Joshua Reynolds’ method (Source 1).

underdrawing

The sources do not explicitly describe Farquharson’s underdrawing method for this specific work. However, general practice for realism and the referenced 'outline basis' suggests that initial forms may be established lightly. The focus in the referenced technique is on the monochrome underpainting rather than a detailed linear underdrawing (Source 7).

underpainting

A grisaille (monochrome) underpainting is essential. The artist should paint the entire composition using only black, ultramarine, and white, mixed with oil of copavia. This step involves mentally extracting red and yellow colors to focus on the structural values and forms as they would appear if those hues were absent (Source 1). This establishes the 'chiaroscuro' or light and shade foundation (Source 7).

color palette

Black

Ivory Black or Lamp Black

Grisaille underpainting for shadows and dark values.

Ultramarine

Ultramarine Blue

Grisaille underpainting for mid-tones and cool shadows, mixed with white and black.

White

Lead White (historical) or Titanium White (modern)

Grisaille underpainting for highlights and light values.

Red/Yellow Tones

Transparent reds and yellows (e.g., Vermilion, Yellow Ochre, or modern equivalents)

Glazing and scumbling over the dry grisaille to introduce color, particularly in areas where light interacts with surfaces.

composition

While the specific layout of 'The Hour of Prayer' is not described in the sources, general compositional principles for this genre suggest avoiding exact bisections of the picture space and ensuring the horizon line is positioned to emphasize either the sky or the ground, rather than dividing the artwork equally (Source 5). The composition should have a center of interest to prevent it from becoming a mere pattern, with the viewer's eye led around the elements before exiting the picture (Source 5). Contrast between detailed areas and 'rest' areas is important to guide the eye (Source 5).

step by step

underpainting→first pass→refining→finishing

underpainting

step 01
Mix black, ultramarine, and white with oil of copavia. Paint the entire composition in monochrome (grisaille), focusing on accurate values and forms. Mentally exclude red and yellow hues to concentrate on the structural light and shadow.
Tip — Ensure the grisaille is quite dry before proceeding to color application.
Grisaille

first pass

step 02
Once the grisaille is dry, begin glazing and scumbling with oil. Apply transparent coats of red and yellow tones where they occur in the natural scene, similar to tinting an engraving with watercolors.
Tip — Glazing involves a transparent coat of color; scumbling is semi-opaque, allowing the underlying painting to show through.
Glazing

refining

step 03
As mastery is gained, mix varnish with oil for subsequent glazing layers. This increases the transparency and depth of the color, enhancing the realistic effect.
Tip — Be aware that scumbling over a darker ground can tend toward coldness, potentially creating a grey bloom.
Varnish Glazing

finishing

step 04
Adjust colors based on the law of simultaneous contrast. Recognize that adjacent colors will influence each other; the lightest tone will be lowered and the darkest heightened. Ensure harmonization of colors inherent to the objects.
Tip — The eye may be fatigued or deceived by mixed contrast; verify colors by looking at them separately or using a mirror to check accuracy.
Simultaneous Contrast

critical techniques

Grisaille Underpainting

Used to establish form and value without the distraction of color. The artist paints with black, ultramarine, and white, mentally extracting red and yellow hues. This method was practiced by old masters and is recommended for achieving mastery in oil painting.

Glazing and Scumbling

Glazing applies transparent color over the dry underpainting, while scumbling applies semi-opaque color. These techniques allow for the modulation of tone and the creation of atmospheric effects, such as a grey bloom when scumbling over dark grounds.

Simultaneous Contrast

Understanding that adjacent colors affect each other's appearance. The artist must account for this to accurately perceive and imitate the modifications of light and color on the model, ensuring harmonization of the composition.

common pitfalls

→Applying color before the grisaille is completely dry, which can muddy the underpainting and prevent proper glazing effects (Source 1).
→Ignoring the law of simultaneous contrast, leading to inaccurate color perception and disharmonious compositions (Source 3).
→Over-modeling or becoming too tied to outlines, which can result in a stiff appearance. Copying works like Reynolds’ 'Portraits of Two Gentlemen' can help correct this tendency (Source 2).
→Creating exact bisections in the composition, which can make the artwork appear static and unbalanced (Source 5).

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 visual details of 'The Hour of Prayer' (e.g., exact subject matter, specific buildings, figures) are not described in the sources, so the guide focuses on general technique rather than specific iconography.
·Farquharson’s specific palette preferences beyond the general realism tradition are not detailed in the provided sources.
·The exact dimensions and support material (canvas vs. panel) for this specific 1868 work are not provided.

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 technique, glazing, and scumbling methods.
- ON COPYING — applied to Advice on correcting tendencies like over-modeling or being too tied to outlines.
Laws of Contrast of Colour↗
- 315-318 — applied to Color theory, simultaneous contrast, and accurate color perception.

cross-referenced from

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

Wikipedia: Composition (visual arts)↗
- Composition (visual arts) — part 6 — applied to General compositional principles such as avoiding bisections and managing detail.

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 pours from the left through the massive arched entrance, flooding the mosque's interior and illuminating the prayer courtyard in golden-warm tones. The dominant architectural mass is the enormous barrel vault that rises from left-center and recedes into shadow, drawing the eye immediately upward and back. The octagonal kiosk on the right mid-ground, lit by the same raking light, anchors a secondary focal point. Dozens of figures in prayer occupy the foreground and middle ground, their darker clothing creating a human scale against the monumental architecture—the eye travels from the bright entry, settles on the praying figures, then follows the vault's recession into the shadowed far end of the space.

value structure

The darkest darks are the deep shadow inside the vault's interior (nearly black) and the shadowed alcove areas. The lightest lights are the sun-struck floor in the immediate foreground and the illuminated outer wall and arch edges. There are three distinct value bands: near-black shadows within the vault; mid-tone warm ochres and tans on lit architectural surfaces and clothing; pale sandy highlights on the exposed floor. Squinting reveals the entrance arch reads as a silhouetting dark frame against the bright courtyard beyond.

observed palette and mixes

#351a16
burnt umber with raw umber, touch of ultramarine to cool slightly
deepest shadows inside the vault, crevices of the arch, dark robes of figures in shade
#5a2e20
burnt umber with yellow ochre, darkened with touch of black or ultramarine
mid-tone shadows on the vault interior, warm shadow areas on architectural details, darker fabric folds
#774835
burnt umber, yellow ochre, and white in equal proportion with touch of cadmium red
sun-struck architectural surfaces on the kiosk and left wall, medium-toned stone, the patterned floor in shadow
#f0c587
yellow ochre with titanium white and tiny touch of burnt sienna
brightest lit floor, sun-exposed walls near the entrance, highlights on the kiosk's rounded dome
#a16444
yellow ochre, burnt umber, and white with touch of cadmium red for warmth
mid-lit stone surfaces, lit portions of the kiosk, warmed shadow halftones throughout
#ce9564
yellow ochre with white and small amount of burnt sienna or cadmium red
light-struck architectural details, warm mid-tones on kiosk facing, illuminated edges of far-wall arches

edges and brushwork

Edges are softest where light gradually fades into the vault's shadow—the boundary of the lit floor and shadowed interior is slightly diffused, not hard. Architectural edges are crisp where sunlight rakes across stone (the arch moldings, the kiosk's colonnade), but these hard edges are reserved; most of the painting uses softer transitions. Brushwork is evident in the foliage-like texture of the dome's interior surface and the directional strokes that follow the barrel vault's curve. Figures are suggested with loose, economical brushing—individual heads and robes aren't detailed, they're massed in warm-dark notation.

a working sequence

01
Establish the value foundation and light direction
Thin burnt umber with mineral spirits and block in the entire composition, establishing where the deepest shadows live (inside the vault, the arch recess) and where the brightest light hits (the immediate foreground floor, the outer wall). Use this monochrome underpainting to lock in the barrel vault's arc receding left-to-right and the silhouetting effect of the entrance arch. Don't worry about figures yet—just the architectural masses and their light-shadow relationship.
02
Build the vault's interior recession
Layer burnt umber and ultramarine (cool, dark) into the vault's shadowed interior, being careful to follow the curved form as it recedes. Keep the shadow consistent and slightly cooler than the warm light outside. The far end should fade toward a very dark tone. Use a medium round brush and follow the arch's curvature with directional strokes. This creates atmospheric depth—the vault appears to tunnel away.
03
Light the entrance arch structure and immediate foreground
Mix a pale yellow-ochre-and-white (#f0c587 territory) and paint the brightly lit outer wall and the sun-struck portions of the arch frame. Apply this to the left wall, the entrance threshold, and the forward edge of the floor directly under the arch opening. Use a flat 1-inch brush for larger areas. This light should feel warm and direct—it's the painting's primary light source. The contrast with the dark vault interior will immediately establish space and drama.
04
Establish the octagonal kiosk as a secondary architectural focus
Block in the kiosk's rounded dome and colonnade on the right mid-ground. Use warm mid-tones (the #a16444 and #ce9564 range) for the sunlit faces and burnt-umber shadows for the recessed colonnade. The dome should feel round and solid, lit from the upper left. Don't overwork the arched openings—suggest them with slight value shifts and let the surrounding tone carry the form. This structure should read clearly but subordinate to the vault.
05
Render the floor pattern and ground plane
Observe the geometric pattern of the floor—it has a network of darker lines creating sections and a central medallion or radiating design. Paint the lit portions with pale ochre (#f0c587), the shadowed portions with a darker warm tone (#774835). Use a small round brush (size 2 or 4) to trace the pattern lightly; don't make the lines too hard or they'll dominate. The floor pattern helps sell the floor as a flat plane receding from foreground into the kiosk's shadow.
06
Mass the praying figures in warm shadow and mid-tone
Using loose brushwork and the dark warm palette (#5a2e20, #774835), indicate clusters of seated and kneeling figures throughout the foreground and middle ground. Don't paint individual heads—use gesture strokes to suggest posture and robes. Group them in warm shadow tones on the left and slightly warmer mid-tones where weak light reaches them. Keep the brushwork economical; the figures should feel present but not detailed, allowing the architecture to dominate. Concentrate a denser cluster near the entrance and let them thin toward the kiosk.
07
Refine edges and deepen atmospheric perspective
Soften the boundary between the bright floor and the shadowed vault interior with a damp round brush—don't obliterate the edge, just ease the transition. Deepen shadows where the kiosk's shadow falls on the floor. Add crisp highlights to the kiosk's colonnade and dome facing to make it pop forward. In the far reaches of the vault, allow the tone to become almost black and slightly cooler. The foreground light should remain the warmest, brightest area.
08
Final warm pass and surface unity
Stand back and squint. If the overall warmth feels uneven, mix a warm glaze of yellow ochre, burnt sienna, and linseed oil thinned with mineral spirits, and feather it across mid-tones to knit the painting together. Check that the entrance arch's silhouette reads clearly against the lit courtyard. Add final accents—crisp highlights on the kiosk's rounded dome, any sharp architectural edges where sunlight rakes across stone. The painting should feel suffused with golden, raking light, not patchwork.

where studies of this painting go wrong

Overworking the figures as individuals—they should read as a collective mass suggested by economical brushwork, not a crowd of portraits. Tight handling here will flatten the spatial recession.
Making the vault's shadow too blue or too cool—it should be a warm deep brown (burnt umber-based) so the architecture feels like stone in shadow, not a void. A purple-black vault will destroy the cohesion of the light.
Hardening the edge where bright foreground light meets the shadowed vault interior. This boundary should be soft and luminous, not a painted line. The light dissolves gradually into shadow.
Neglecting the floor pattern—it's easy to paint a flat beige floor and call it done. The geometric pattern is crucial to conveying the floor as a receding plane and anchoring the figures' spatial location.
Flattening the kiosk by treating its dome as a flat shape. It must feel round and three-dimensional; use warm highlights on the upper left-facing surface and shadowed recesses to build form.

measured difficulty