Color

#187c23

#187c23
hex#187c23
rgbrgb(24, 124, 35)
hslhsl(127, 68%, 29%)
oklchoklch(0.513 0.153 144.2)
Closest name: green (#008000)Relative luminance 0.1473

Colors that go with #187c23

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 →

#7c1871

#3e7c18 · #187c56

#23187c · #7c2318

Split-complementary

Open in tool →

#56187c · #7c183e

#183e7c · #7c1871 · #7c5618

Contrast

#187c23 as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
  • AAA: use #14671d as the text (7.03:1)
Aaon black
3.95:1failpassfail
  • AA: use #1a8927 as the text (4.65:1)
  • AAA: use #21b032 as the text (7.32:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187c23 as the background.

Brands using this color

Fonts for this mood

#187c23 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187c23
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 #187c23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187c23-a2bea8-aa4edf-1f2d27-ecf1e9?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