Color

#187b2e

#187b2e
hex#187b2e
rgbrgb(24, 123, 46)
hslhsl(133, 67%, 29%)
oklchoklch(0.511 0.143 146.4)
Closest name: Forestial (#007733)Relative luminance 0.1456

Colors that go with #187b2e

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 →

#7b1866

#347b18 · #187b5f

#2e187b · #7b2e18

Split-complementary

Open in tool →

#5f187b · #7b1834

#18347b · #7b1866 · #7b5f18

Contrast

#187b2e as textRatioAAAA largeAAAFix
Aaon white
5.37:1passpassfail
  • AAA: use #146626 as the text (7.1:1)
Aaon black
3.91:1failpassfail
  • AA: use #1b8833 as the text (4.62:1)
  • AAA: use #23af41 as the text (7.28:1)
  • AA: or shift the background to #ebebeb (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 #187b2e as the background.

Brands using this color

Fonts for this mood

#187b2e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187b2e
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 #187b2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187b2e-a2beab-b84edf-1f2d28-ebf1e9?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