A material study / 068
Taurus: The April Loggia
Ferrara · Sage silk, limestone & beeswax.
April’s Taurus sits within a courtly calendar at Palazzo Schifanoia. Pale green silk, white blossom and honey wax bring the season into an imagined garden loggia, with limestone holding the light.

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
Give the ground room, then place the accent.
Adjust the six colour areas in a screen composition. The illustrated room keeps its original materials and light.

Palette proportions / Total 100%
Starting points
An editable screen composition; the room remains a fixed imagined reference.
Limestone White: 30%; Sage Silk: 15%; Beeswax: 10%; Blush Linen: 10%; Oak Gold: 20%; Dark Horn: 15%
The source / Art history
A month above the scene.
Francesco del Cossa’s April pairs Taurus with Venus at Schifanoia. Sage silk, hawthorn, horn and beeswax are this study’s spring interpretation. The imagined loggia borrows their material contrast without presenting itself as a reconstruction of the palace or its court.
Musei Ferrara · April, Palazzo Schifanoia (1469–1470) ↗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: 2026-04-20 01:31 UTC
Next sign: 2026-05-21 00:29 UTC
Sidereal · Lahiri
–
Exact UTC ingresses
Enters: 2026-05-15 00:41 UTC
Next sign: 2026-06-15 07:12 UTC
Intervals include the entry and exclude the next boundary. Sidereal offset at ingress: 24.2255° (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
Taurus, 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 |
|---|---|---|---|
| 10 Tau | 1101 | 54.2183 | 0.4017 |
| 38Nu Tau | 1251 | 60.7892 | 5.9892 |
| 49Mu Tau | 1320 | 63.8838 | 8.8922 |
| 1Omi Tau | 1030 | 51.2033 | 9.0289 |
| 2Xi Tau | 1038 | 51.7925 | 9.7328 |
| 88 Tau | 1458 | 68.9137 | 10.1608 |
| 35Lam Tau | 1239 | 60.17 | 12.4903 |
| 90 Tau | 1473 | 69.5396 | 12.5108 |
| 5 Tau | 1066 | 52.7183 | 12.9367 |
| 71 Tau | 1394 | 66.5867 | 15.6183 |
| 54Gam Tau | 1346 | 64.9483 | 15.6275 |
| 78The2Tau | 1412 | 67.1654 | 15.8708 |
| 77The1Tau | 1411 | 67.1438 | 15.9622 |
| 87Alp Tau | 1457 | 68.98 | 16.5092 |
| 61Del1Tau | 1373 | 65.7337 | 17.5425 |
| 68Del3Tau | 1389 | 66.3725 | 17.9281 |
| 119 Tau | 1845 | 83.0533 | 18.5944 |
| 74Eps Tau | 1409 | 67.1542 | 19.1803 |
| 123Zet Tau | 1910 | 84.4112 | 21.1425 |
| 37 Tau | 1256 | 61.1738 | 22.0819 |
| 65Kap1Tau | 1387 | 66.3421 | 22.2939 |
| 69Ups Tau | 1392 | 66.5771 | 22.8136 |
| 94Tau Tau | 1497 | 70.5612 | 22.9569 |
| 23 Tau | 1156 | 56.5817 | 23.9483 |
| 27 Tau | 1178 | 57.2904 | 24.0533 |
| 25Eta Tau | 1165 | 56.8713 | 24.105 |
| 17 Tau | 1142 | 56.2188 | 24.1133 |
| 20 Tau | 1149 | 56.4567 | 24.3678 |
| 19 Tau | 1145 | 56.3021 | 24.4672 |
| 112Bet Tau | 1791 | 81.5729 | 28.6075 |
Tradition / Historical classification
A note on the tradition.
In the traditional classification recorded by Lunologium, Taurus is fixed earth, with Venus 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 April Loggia
April’s Taurus sits within a courtly calendar at Palazzo Schifanoia. Pale green silk, white blossom and honey wax bring the season into an imagined garden loggia, with limestone holding the light.

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.
#CCBAA3Supporting ink #171615Accent #32271DInspect application CSS
/* Sourced from Chromologium (https://chromologium.com/studies/taurus) */
/* Suggested application roles; original palette preserved separately. */
:root {
--study-surface: #CCBAA3;
--study-ink: #171615;
--study-accent: #32271D;
--study-accent-ink: #ffffff;
--study-original-1: #CCBAA3; /* Limestone White */
--study-original-2: #767B53; /* Sage Silk */
--study-original-3: #B67D12; /* Beeswax */
--study-original-4: #C9A49A; /* Blush Linen */
--study-original-5: #9A6737; /* Oak Gold */
--study-original-6: #32271D; /* Dark Horn */
}
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 sage-walled garden loggia, informed by a linked historical source. The six screen colours were sampled from this study’s specimen drawer; they are not measured historical pigments.
- Musei Ferrara · April, Palazzo Schifanoia (1469–1470)
- Musei Ferrara · illustrated Hall of Months tour
- 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