Color

#18583c

#18583c
hex#18583c
rgbrgb(24, 88, 60)
hslhsl(154, 57%, 22%)
oklchoklch(0.412 0.08 160.5)
Closest name: Evergreen (#125b49)Relative luminance 0.075

Colors that go with #18583c

Crimson, Blue and Denim 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 →

#581834

#18581c · #185458

#3c1858 · #583c18

Split-complementary

Open in tool →

#581854 · #581c18

#1c1858 · #581834 · #545818

Contrast

#18583c as textRatioAAAA largeAAAFix
Aaon white
8.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #24845b as the text (4.53:1)
  • AAA: use #2fac76 as the text (7.28:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18583c 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

#18583c reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18583c
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 #18583c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18583c-a2beb5-d459ca-1f2d2d-e9f1ea?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