Color

#187f15

#187f15
hex#187f15
rgbrgb(24, 127, 21)
hslhsl(118, 72%, 29%)
oklchoklch(0.521 0.165 142.5)
Closest name: green (#008000)Relative luminance 0.1543

Colors that go with #187f15

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 →

#7c157f

#4d7f15 · #157f46

#15187f · #7f1518

Split-complementary

Open in tool →

#46157f · #7f154d

#154d7f · #7c157f · #7f4615

Contrast

#187f15 as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #136510 as the text (7.25:1)
Aaon black
4.09:1failpassfail
  • AA: use #1a8816 as the text (4.58:1)
  • AAA: use #21af1d as the text (7.21:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187f15 as the background.

Brands using this color

Fonts for this mood

#187f15 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187f15
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 #187f15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187f15-a2bea4-944edf-1f2d25-edf1e9?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