Color

#187b56

#187b56
hex#187b56
rgbrgb(24, 123, 86)
hslhsl(158, 67%, 29%)
oklchoklch(0.519 0.105 162.4)
Closest name: Greasy Greens (#117755)Relative luminance 0.1503

Colors that go with #187b56

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 →

#7b183d

#187b26 · #186e7b

#57187b · #7b5718

Split-complementary

Open in tool →

#7b186e · #7b2618

#26187b · #7b183d · #6e7b18

Contrast

#187b56 as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #136245 as the text (7.34:1)
Aaon black
4.01:1failpassfail
  • AA: use #1a845d as the text (4.5:1)
  • AAA: use #22aa78 as the text (7.09:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187b56 as the background.

Brands using this color

Fonts for this mood

#187b56 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187b56
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 #187b56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187b56-a2beb7-d459c2-1f2c2d-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