Color

#187b4f

#187b4f
hex#187b4f
rgbrgb(24, 123, 79)
hslhsl(153, 67%, 29%)
oklchoklch(0.517 0.112 158.3)
Closest name: Greasy Greens (#117755)Relative luminance 0.1492

Colors that go with #187b4f

Charcoal, Crimson and Royal Blue 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 →

#7b1845

#187b1d · #18777b

#4f187b · #7b4f18

Split-complementary

Open in tool →

#7b1877 · #7b1d18

#1d187b · #7b1845 · #777b18

Contrast

#187b4f as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #13623f as the text (7.38:1)
Aaon black
3.98:1failpassfail
  • AA: use #1b8857 as the text (4.71:1)
  • AAA: use #22aa6d as the text (7.04:1)
  • AA: or shift the background to #ededed (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 #187b4f as the background.

Brands using this color

Fonts for this mood

#187b4f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187b4f
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 #187b4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187b4f-a2beb5-d459cc-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