Color

#187b59

#187b59
hex#187b59
rgbrgb(24, 123, 89)
hslhsl(159, 67%, 29%)
oklchoklch(0.52 0.103 164.3)
Closest name: Greasy Greens (#117755)Relative luminance 0.1508

Colors that go with #187b59

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 →

#7b183b

#187b27 · #186d7b

#59187b · #7b5918

Split-complementary

Open in tool →

#7b186d · #7b2718

#27187b · #7b183b · #6d7b18

Contrast

#187b59 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #136246 as the text (7.33:1)
Aaon black
4.02:1failpassfail
  • AA: use #1a845f as the text (4.51:1)
  • AAA: use #22aa7b as the text (7.1:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187b59 as the background.

Brands using this color

Fonts for this mood

#187b59 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187b59
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 #187b59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187b59-a2beb8-d459c0-1f2c2d-e9f1eb?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