04 · Yellow
Realgar AsS
orange-red, resinous → orange-yellow
#f2af51 · L* 76.1 · C* 58.6 · h 74.2°
Sarnwell Sough · 8 September 2025
The key · sector
Yellow
Hue between 45° and 110°. Arsenic, sulfur, and iron again once it has taken up water.
3 of 15 · hue 45° to 110°
05 · Yellow
Limonite FeO(OH)·nH₂O
dark brown, botryoidal → yellow-brown
#c19d67 · L* 66.8 · C* 33.8 · h 79.4°
Tarnbeck Hush · 30 August 2024
06 · Yellow
Sulfur S
lemon yellow, resinous → pale yellow
#f8f7dc · L* 96.7 · C* 13.5 · h 106.9°
Whinstone Spoil · 19 January 2026
Other sectors