Color

#187c43

#187c43
hex#187c43
rgbrgb(24, 124, 67)
hslhsl(146, 68%, 29%)
oklchoklch(0.518 0.125 152.6)
Closest name: Gale of the Wind (#007844)Relative luminance 0.1501

Colors that go with #187c43

Charcoal, Royal Blue 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 →

#7c1851

#1e7c18 · #187c76

#43187c · #7c4318

Split-complementary

Open in tool →

#76187c · #7c181e

#181e7c · #7c1851 · #7c7618

Contrast

#187c43 as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #136335 as the text (7.33:1)
Aaon black
4:1failpassfail
  • AA: use #1a894a as the text (4.72:1)
  • AAA: use #21ab5d as the text (7.05:1)
  • 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 #187c43 as the background.

Brands using this color

Fonts for this mood

#187c43 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187c43
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 #187c43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187c43-a2beb1-ce59d4-1f2d2b-eaf1e9?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