Color
#663b1e
#663b1ergb(102, 59, 30)hsl(24, 55%, 26%)oklch(0.398 0.074 52.9)Colors that go with #663b1e
Hunter Green, Sage Green and Wheat lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Hunter Green #355e3b
shippedHunter Green is paired with #663b1e in 4 real palettes, including Bookshop and Darkroom, as the accent.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #663b1e: 8 real palettes, including Darkroom and Stone, as the supporting colour.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #663b1e: 4 real palettes, including Candlelight and Resort, as the accent.
Steel Blue #4682b4
complementarySteel Blue sits directly opposite #663b1e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #663b1e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
split-complementshippedTeal is a split-complement of #663b1e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Dunkin''s brand system and Minecraft's brand system put Blue beside #663b1e, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #663b1e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #663b1e
Tints & shades
Harmonies
Contrast
| #663b1e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.51:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.21:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663b1e as the background.
Brands using this color
Fonts for this mood
#663b1e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #663b1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/663b1e-c4b19c-62cbc2-2d2b1f-f1e9ea?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md