plate no. 3332

Giuliano de Medici

panel, temperaEarly Renaissanceportraitportraitfiguremanclothinghairrenaissance

what to study here

It shows how a strict profile, a restrained palette and three clear value masses can carry a portrait with almost no visible brushwork.

This is a study in how little a portrait needs. The vision read shows a strict profile with a downcast eye against a flat, greyed teal-green ground, and everything else is built from three masses: a light face and neck, a dark curly hair mass, and a deep red garment. Squint and the value lock is obvious. Look at the face first. The light comes from the front-left, and the modeling across forehead, nose and cheek is so smooth that no stroke direction shows. Edges stay soft even where values change sharply. Then compare it with the hair, where strokes follow the curls and the handling becomes more textural, and with the garment, where faint linear marks describe the folds. The white collar is the one bright accent beside the face. The background stays neutral so the skin carries the warmth. Practice this by squinting at it, then copying only the three masses before you attempt any features. Note the medium is tempera on panel.

key decision

The painter kept the background a flat, neutral grey-green and confined the lightest, warmest values to the face and neck, so the profile reads at once. Edges are graduated and soft throughout, with no hard lines.

recreation guide

This recreation guide focuses on the technical execution of a portrait in the style of Sandro Botticelli, specifically utilizing egg tempera on panel, consistent with the medium specified for 'Giuliano de Medici' (1478). The artwork belongs to the Early Renaissance period, a time when Italian painters predominantly used tempera rather than the oil techniques emerging in Northern Europe (Source 3). The distinctive quality of this work relies on the linear precision and flat, decorative color fields characteristic of Botticelli’s practice, rather than the volumetric modeling achieved through oil glazing. The portrait likely adheres to the profile or three-quarter view conventions inspired by ancient medallions, which were popular in Italy between 1450 and 1500 (Source 3).

estimated time

40-60 hours over 8-12 sessions

materials

7 items

steps

5 in sequence

materials

item	purpose	modern equivalent
Wood panel (poplar or similar)	Support surface, as canvas was not yet standard in Italy in 1478	MDF or hardboard panel prepared with gesso
Egg yolk	Binder for tempera paint	Fresh egg yolk separated from white and membrane
Gesso (chalk and glue)	Ground preparation for the panel	Acrylic gesso or traditional rabbit-skin glue and chalk mix
Natural earth pigments (ochres, umbers)	Base colors for skin and shadows, valued for fixedness and covering power	Yellow Ochre, Raw Umber, Burnt Sienna
White lead or chalk white	Highlights and mixing for tints	Titanium White or Zinc White (non-toxic alternatives)
Red ochre or vermilion	Flesh tones and accents	Red Ochre, Cadmium Red Light
Blue pigment (lapis lazuli or azurite)	Background or clothing, if applicable to the specific portrait variant	Ultramarine Blue

preparation

surface prep

The panel must be prepared with a smooth, white ground. Historically, this involved applying layers of gesso (chalk mixed with animal glue) to create a bright, reflective surface that enhances the luminosity of the thin tempera layers. This preparation is essential for the 'fast-drying' nature of tempera, which requires a non-absorbent, hard surface (Source 5).

underdrawing

Botticelli’s style is characterized by precise, linear contours. The underdrawing should be executed in charcoal or dilute ink, focusing on the outline of the figure and key facial features. While sources do not detail Botticelli’s specific underdrawing for this piece, the linear quality of his work suggests a strong emphasis on line as a primary element of design (Source 7).

underpainting

In tempera painting, an underpainting (imprimatura) may be applied to establish mid-tones. However, egg tempera is often applied directly onto the white gesso ground to maximize brightness. If an underpainting is used, it should be thin and neutral, allowing the subsequent layers of color to remain vibrant. The fast-drying nature of tempera means layers must be applied quickly and thinly (Source 5).

color palette

Flesh tones

White lead/chalk, red ochre, and yellow ochre

Skin complexion, avoiding the 'common error' of using only red and white, and instead seeking the predominating color in the complexion (Source 1, Source 2)

Shadows and Neutrals

Natural earths, burnt ochres, and black (ivory or grapestone)

Defining form and depth without shifting hue drastically

Background/Dress

Complementary colors to the skin tones, potentially broken with grey

Creating contrast and harmony, ensuring the dress and background are well-chosen to support the portrait's effect (Source 1)

composition

The composition likely follows the profile or three-quarter view, inspired by ancient medallions, which were particularly popular in Italy between 1450 and 1500 (Source 3). The arrangement emphasizes the linear contour and the distinct separation of the figure from the background, consistent with the decorative and linear style of the Early Renaissance. The use of complementary colors in the dress or background should be considered to enhance the likeness and avoid a 'poor effect' (Source 1).

step by step

underdrawing→first pass→refining→finishing

underdrawing

step 01
Transfer the design to the gessoed panel using charcoal or ink. Focus on precise outlines, as line is a key element of design in this period (Source 7).
Tip — Ensure the proportions are accurate, as tempera does not allow for easy blending or correction like oil paint.
Linear contouring

first pass

step 02
Apply thin layers of egg tempera to establish the base colors. Use natural earths for shadows and mid-tones, as these are 'quite sufficient for broken tones' and have 'perfect fixedness' (Source 2).
Tip — Work quickly, as tempera dries fast. Do not overwork the paint.
Layering tempera

refining

step 03
Build up the flesh tones by mixing white with red and yellow ochres. Avoid using only red and white for women's complexions; instead, identify the predominating color in the complexion and reproduce it faithfully (Source 1).
Tip — Use complementary colors to neutralize hues if darkening is needed, rather than adding black, which can cause unwanted hue shifts (Source 6).
Color mixing for likeness
step 04
Apply colors to the dress and background. Choose colors that contrast with the complexion to give it value. If the colors are too intense, break them with grey to avoid crudity (Source 1).
Tip — Ensure the dress and background are well-chosen to support the portrait's overall effect (Source 1).
Harmony of contrast

finishing

step 05
Add final highlights and details. Tempera allows for fine brush strokes and exquisite detail, similar to the precision seen in Northern European oil paintings, though achieved through layering rather than blending (Source 3).
Tip — Check the likeness against the sitter, as the goal is a recognizable record of their appearance (Source 4).
Detailing

critical techniques

Egg Tempera Layering

Applying thin, fast-drying layers of pigment mixed with egg yolk. This technique requires patience and precision, as errors are difficult to correct. It produces a luminous, matte finish distinct from oil paint (Source 5).

Color Contrast and Harmony

Using complementary colors or broken tones (mixed with grey) to create contrast between the figure and the background. This ensures the portrait has a strong visual effect and avoids monotony (Source 1).

Faithful Reproduction of Complexion

Identifying the predominating color in the sitter's complexion and reproducing it accurately, rather than relying on idealized red-and-white mixes. This approach respects the individuality of the subject (Source 1).

common pitfalls

→Using only red and white for skin tones, which can result in an unnatural, idealized appearance rather than a faithful likeness (Source 1).
→Adding black to darken colors, which can cause hue shifts toward green or blue, especially in warm colors like yellow and red (Source 6).
→Overworking the paint, which is difficult in tempera due to its fast-drying nature. Layers must be applied thinly and quickly (Source 5).
→Ignoring the importance of the dress and background colors, which can lead to a 'poor effect' if they do not contrast well with the complexion (Source 1).

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 details of Giuliano de Medici's clothing, jewelry, or facial expression are not described in the provided sources, so the recreation must rely on general Botticelli style and period conventions.
·The exact pose (profile vs. three-quarter) is not specified in the sources, though profile portraits were popular in this period (Source 3).
·Botticelli's specific underdrawing techniques for this particular work are not documented in the provided passages.

grounded in

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

Laws of Contrast of Colour↗
- Chapter on Contrast — applied to Color mixing, complexion reproduction, and background/dress selection
The Science of Painting↗
- Chapter V. Colouring Substances — applied to Selection of natural earth pigments and understanding of historical materials

cross-referenced from

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

Wikipedia: Portrait painting↗
- Part 8 — applied to Context of profile portraits and tempera vs. oil techniques in the Renaissance
Wikipedia: Tempera↗
- Part 1 — applied to Technical details of egg tempera medium and application
Wikipedia: Color theory↗
- Part 6 — applied to Mixing pigments and avoiding hue shifts when darkening colors
Wikipedia: Composition (visual arts)↗
- Part 1 — applied to Understanding line and form as elements of design

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

A young man in strict profile gazes downward with downcast eyes, set against a soft teal-green background. Light rakes across his face from the front-left, creating smooth modeling across the forehead, nose, and cheek, with the far side of the face falling into subtle shadow. The dark reddish-brown curly hair masses heavily behind his head, creating strong value contrast. A deep red garment with visible folds anchors the lower portion; a white collar at the neck creates a bright accent. The composition is elegantly simple—focus is entirely on the face, rendered with almost porcelain-like smoothness.

value structure

The lightest values concentrate in the face and neck (a warm cream-yellow), with the skin receiving the most light. The background mid-tone teal-green is distinctly separate from the figure. The dark values cluster in the shadowed curls, the deep red garment, and the shadowed side of the neck. When squinted, the portrait reads as three clear masses: bright face, dark hair mass, dark red clothing, all set against the neutral background—creating a simple but strong value lock.

observed palette and mixes

#f6c56d
Yellow ochre + titanium white, with raw sienna for depth in cheeks and temples
Face, forehead, nose, neck—the primary light source
#797b5e
Ultramarine blue + yellow ochre with a touch of burnt umber for greyed-sage tone
Background, creating a neutral foil for the figure
#a24544
Cadmium red + alizarin crimson, darkened with ultramarine for depth in folds
Main red garment and its shadowed folds
#8f4544
Burnt sienna + alizarin, with dark brown for the curly hair shadows
Dark hair masses and transition tones in the curls
#6a4644
Burnt umber + alizarin crimson, nearly black for deepest shadows
Darkest hair, neck shadow, and deepest folds in the red garment

edges and brushwork

The face exhibits near-invisible brushwork—edges are soft and blended to the point of appearing effortless, with no visible stroke direction. The hair shows more textural handling, with strokes following the curly structure to suggest form without harsh detail. The red garment displays subtle linear marks suggesting fabric folds, while the background is uniformly smooth. All edges are soft, even where value changes sharply; there are no hard lines, only carefully graduated transitions.

a working sequence

01
Establish the profile line
Lightly sketch the profile contour from forehead through the bridge of the nose to the chin and lower jaw. Pay particular attention to the nose's projection and the angle of the chin relative to the neck—this is your structural foundation. Mark the eye placement (downcast) and the general mass of the curly hair behind the head.
02
Block in background and establish value zones
Paint the entire background in the muted teal-green (#797b5e equivalent). This neutral ground will make your skin tones sing by contrast. Leave only the figure's silhouette unpainted, establishing the dark value of the hair and red garment as negative shapes.
03
Undermodel the face in warm ochres
Begin with a thin wash of yellow ochre mixed with white across the entire face and neck. Establish the direction of light from the front-left by keeping this tone brighter on the forehead, nose, and cheekbone, and allowing it to cool and darken subtly toward the jaw and far side of the face. No details yet—just the luminous foundation.
04
Develop skin tone modeling with soft transitions
Layer warmer yellows and subtle pinks into the cheek and temple areas, blending carefully with a soft brush. Darken the shadowed side of the face and neck with burnt sienna and a touch of ultramarine, but keep transitions extremely gradual—no sharp edges. The eye sockets and underside of the nose receive slightly cooler, darker tones. Build form through value, not line.
05
Render the dark curly hair
Block in the hair mass with burnt umber and alizarin, following the curved forms of the curls. Add darker shadows (nearly black) in the deepest recesses where the curls turn away from light. Use directional strokes that follow the direction of the hair growth and curl structure. Leave some lighter notes in the curls where light glances across the raised forms—this prevents the hair from reading as a flat mass.
06
Paint the red garment with fold structure
Cover the shoulder and back area with a mid-tone red (cadmium red mixed with a touch of ultramarine for depth). Observe the vertical folds and channels in the fabric; darken the recessed folds with alizarin and ultramarine to create a sense of volume and drapery. Keep the color relatively uniform in hue but varied in value—the folds should read as form, not as separate colors.
07
Add the white collar and refine the neckline
Paint the white collar at the neck junction with titanium white warmed very slightly with yellow ochre. This bright accent will make the neck appear to recede and the head advance. Carefully model how the collar sits against the neck and where the red garment meets it, maintaining soft edges.
08
Refine features and final integration
Now address the eye (downcast, with a subtle highlight on the lid), the nose (slight shadow on the septum and nostril), and the mouth (a warm pink line with gentle shadow below). Keep these subtle—the face's power comes from smooth, unified modeling, not from sharp feature delineation. Do final soft blending passes to ensure the face feels unified and luminous against the background.

where studies of this painting go wrong

Over-modeling the face into harshness—skin should feel like porcelain, not sculpted. Blend longer than feels necessary; soft transitions are the signature of this work.
Making the red garment too uniform in color—observe the actual folds and darken them intentionally, or it will read as a flat shape rather than fabric with volume.
Rendering the hair as a dark, featureless mass—follow the curl structure with directional strokes and hold back some lighter values on the raised forms to suggest the hair's texture and three-dimensionality.
Losing the downcast eye expression—the subtle placement and modeling of the eye and eyelid are critical to capturing the introspective quality; a level or upward gaze would entirely change the portrait's mood.
Making the background too green or too saturated—it should feel recessive and neutral, almost dusty; a too-vibrant background will compete with the face rather than frame it.

measured difficulty