Color
#18591b
#18591brgb(24, 89, 27)hsl(123, 58%, 22%)oklch(0.409 0.114 143.8)Colors that go with #18591b
Blue, Charcoal and Emerald Green 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.
Blue #0000ff
shipped4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #18591b, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #18591b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Emerald Green #50c878
shippedEmerald Green is paired with #18591b in 4 real palettes, including CircleCI's brand system and Neon's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #18591b in 11 real palettes, including Pine & Birch and Bookshop, as that palette's text colour.
Dark Orchid #9932cc
complementaryDark Orchid sits directly opposite #18591b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Orange Red #ff4500
shippedOrange Red is paired with #18591b in 3 real palettes, including Neon's brand system and Clerk's brand system, as the accent.
Saddle Brown #8b4513
shippedDesigners have shipped Saddle Brown with #18591b: 3 real palettes, including Bookshop and Darkroom, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #18591b: 3 real palettes, including Pine & Birch and Darkroom, as the supporting colour.
Real palettes that use #18591b
Tints & shades
Harmonies
Contrast
| #18591b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.46:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.48:1 | 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 #18591b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#18591b reads as dark, luxury, bold. 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 #18591b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/18591b-a2bea6-a04edf-1f2d26-edf1e9?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