Color

#18591e

#18591e
hex#18591e
rgbrgb(24, 89, 30)
hslhsl(126, 58%, 22%)
oklchoklch(0.409 0.112 144.6)
Closest name: Deep Green (#02590f)Relative luminance 0.0743

Colors that go with #18591e

Charcoal, Emerald Green and Taupe 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#591852

#325918 · #18593f

#1e1859 · #591e18

Split-complementary

Open in tool →

#3f1859 · #591832

#183259 · #591852 · #593f18

Contrast

#18591e as textRatioAAAA largeAAAFix
Aaon white
8.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #24892e as the text (4.69:1)
  • AAA: use #2ead3b as the text (7.16:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18591e 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

#18591e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18591e
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #18591e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18591e-a2bea8-a74edf-1f2d27-ecf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md