Color

#187b52

#187b52
hex#187b52
rgbrgb(24, 123, 82)
hslhsl(155, 67%, 29%)
oklchoklch(0.518 0.109 160)
Closest name: Greasy Greens (#117755)Relative luminance 0.1497

Colors that go with #187b52

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 →

#7b1842

#187b21 · #18737b

#52187b · #7b5218

Split-complementary

Open in tool →

#7b1873 · #7b2118

#21187b · #7b1842 · #737b18

Contrast

#187b52 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #136241 as the text (7.37:1)
Aaon black
3.99:1failpassfail
  • AA: use #1b885b as the text (4.72:1)
  • AAA: use #22aa71 as the text (7.06:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187b52 as the background.

Brands using this color

Fonts for this mood

#187b52 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187b52
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 #187b52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187b52-a2beb6-d459c8-1f2d2d-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