A material study / 064
Capricorn: The Midwinter Hall
Chantilly · Slate, evergreen & oxblood velvet.
A winter palette after the woodland of December’s Très Riches Heures, where the zodiac arc passes from Sagittarius to Capricorn. Slate, holly and deep velvet meet wool and lichen in an imagined stone-walled hall.
01 / The palette
Six colors, one atmosphere.
Screen colors are authored interpretations. Material photographs show surface character; they are not calibrated color samples.
02 / Play with the composition
Bring the pale wool forward, or deepen the evergreen.
Adjust the six relative colour areas. These controls change an authored pattern, not the room’s physical lighting.
Palette proportions / Total 100%
Starting points
An editable screen composition; the room remains a fixed imagined reference.
Frost Wool: 30%; Horn Brown: 15%; Silver Lichen: 10%; Oxblood Velvet: 10%; Holly Green: 20%; Winter Slate: 15%
The source / Art history
A month above the scene.
Begun by the Limbourg brothers in 1411–1416 and finished by Barthélemy d’Eyck around 1446, the December calendar miniature depicts a boar hunt before the Château de Vincennes. Its zodiac arc moves from Sagittarius into Capricorn. Our evergreen, slate, horn, wool and velvet translate a midwinter woodland into a contemporary interior; these objects are editorial choices rather than an inventory of the manuscript’s materials.
Château de Chantilly · December, folio 12 verso ↗Read the holding institution’s record. No museum photograph or manuscript scan is reproduced here.
The calendar / Computed
The dates, in two frames.
Tropical
–
Exact UTC ingresses
Enters: 2026-12-21 20:42 UTC
Next sign: 2027-01-20 07:22 UTC
Sidereal · Lahiri
–
Exact UTC ingresses
Enters: 2026-01-14 09:26 UTC
Next sign: 2026-02-12 22:28 UTC
Intervals include the entry and exclude the next boundary. Sidereal offset at ingress: 24.2208° (Lahiri). Sign transitions are refined to one minute. Refinement is computational resolution, not a claim of observational accuracy. Local calendar dates may differ from UTC.
Calculation source and version
Lunologium source revision 4d4d8ecc · astronomy-engine 2.1.19. Generated reference for 2026–2028; year labels identify the year of entry, so a Capricorn interval continues into the next January.
Take away / A constellation card
Capricorn, point by point.
This chart uses numerical star data supplied by HEASARC, a service of the Astrophysics Science Division at NASA/GSFC. Hoffleit & Warren, Bright Star Catalogue (1991) · Data-use terms.
North up, east left. Relative visual magnitude controls dot size. Positions use J2000.0 and a local projection with a cosine correction. The connecting lines were authored for this card; constellation boundaries and the Sun’s current position are not drawn. Print on A4 or Letter in portrait orientation.
Read the star coordinates
| Star | HR | Right ascension | Declination |
|---|---|---|---|
| 18Ome Cap | 7980 | 312.9554 | -26.9192 |
| 16Psi Cap | 7936 | 311.5237 | -25.2708 |
| 34Zet Cap | 8204 | 321.6667 | -22.4114 |
| 23The Cap | 8075 | 316.4867 | -17.2328 |
| 32Iot Cap | 8167 | 320.5617 | -16.8344 |
| 40Gam Cap | 8278 | 325.0229 | -16.6622 |
| 49Del Cap | 8322 | 326.76 | -16.1272 |
| 9Bet Cap | 7776 | 305.2529 | -14.7814 |
| 6Alp2Cap | 7754 | 304.5138 | -12.5447 |
| 5Alp1Cap | 7747 | 304.4121 | -12.5083 |
Tradition / Historical classification
A note on the tradition.
In the traditional classification recorded by Lunologium, Capricorn is cardinal earth, with Saturn as its traditional ruler. These are cultural categories, separate from the computed solar position and the colours sampled for this study.
03 / Translate
From a room to an interface.
The interface
Objects, rooms & materials
The Midwinter Hall
A winter palette after the woodland of December’s Très Riches Heures, where the zodiac arc passes from Sagittarius to Capricorn. Slate, holly and deep velvet meet wool and lichen in an imagined stone-walled hall.
The same palette. Different roles.
Use this palette.
A suggested interface use of the study’s paper and accent. Supporting ink is added for legibility; original palette values stay intact.
#C1BBB3Supporting ink #171615Accent #192412Inspect application CSS
/* Sourced from Chromologium (https://chromologium.com/studies/capricorn) */
/* Suggested application roles; original palette preserved separately. */
:root {
--study-surface: #C1BBB3;
--study-ink: #171615;
--study-accent: #192412;
--study-accent-ink: #ffffff;
--study-original-1: #C1BBB3; /* Frost Wool */
--study-original-2: #57473F; /* Horn Brown */
--study-original-3: #8C928C; /* Silver Lichen */
--study-original-4: #260C0E; /* Oxblood Velvet */
--study-original-5: #192412; /* Holly Green */
--study-original-6: #555B61; /* Winter Slate */
}
Follow the material further.
Materials
The ingredients.
An imagined setting.
A contemporary interpretation,
with references kept beside the study.
Take away
Take the study with you.
Download swatches
Sources & interpretation
A contemporary material tray and imagined stone-walled winter hall, informed by a linked historical source. The six screen colours were sampled from this study’s specimen drawer; they are not measured historical pigments.
- Château de Chantilly — December, Limbourg brothers and Barthélemy d’Eyck
- Lunologium — Tropical and sidereal zodiac
The palette follows the authored material references in this collection. Room, object and material imagery were created for this study. These are imagined settings, with no affiliation to the fictional interface brands.
The controls explore screen composition, not physical pigment recipes or material measurements. Image rights · Image permissions