Color

#186d59

#186d59
hex#186d59
rgbrgb(24, 109, 89)
hslhsl(166, 64%, 26%)
oklchoklch(0.481 0.084 172.8)
Closest name: Into the Green (#0d6c49)Relative luminance 0.1185

Colors that go with #186d59

Charcoal, Crimson and Medium Violet Red 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 →

#6d182c

#186d2e · #18566d

#59186d · #6d5918

Split-complementary

Open in tool →

#6d1856 · #6d2e18

#2e186d · #6d182c · #566d18

Contrast

#186d59 as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #166452 as the text (7.05:1)
Aaon black
3.37:1failpassfail
  • AA: use #1d866d as the text (4.68:1)
  • AAA: use #26ab8c as the text (7.29:1)
  • AA: or shift the background to #dbdbdb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #186d59 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#186d59 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #186d59
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 #186d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/186d59-a2bebb-d459b1-1f2a2d-e9f1ec?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