Butter & Cavern Clay
3-color palette · hex codes and a ready-to-copy AI image prompt
- Butter Yellow
- #F3E5AB
- Cavern Clay
- #AC6B4F
- Deep Umber
- #3E2B22
Butter and terracotta sit close together on the warm side of the wheel, so the pair generates no tension on its own and the umber has to supply it, dropping the value far enough that both warms read as pigment rather than haze. Butter yellow has moved into a more restrained second act in 2026 interiors, used as a supporting tone, and terracotta with Cavern Clay still the reference is the earth colour it keeps getting set against.
2026 interiors colour reports · butter yellow 2.0 + terracotta / Cavern Clay
AI image prompt
Hex codes are baked into the prompt. For Midjourney, attach the square reference image below first — palettes hold far better with a visual reference.
Sunlit plaster interior, #F3E5AB linen curtain diffusing late afternoon light, #AC6B4F terracotta tiled floor, a single #3E2B22 dark timber stool, warm raking light, soft shadows, editorial interior photography, 35mm --ar 4:5
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