Color

#18912e

#18912e
hex#18912e
rgbrgb(24, 145, 46)
hslhsl(131, 72%, 33%)
oklchoklch(0.574 0.17 145.2)
Closest name: Emerald (#028f1e)Relative luminance 0.2064

Colors that go with #18912e

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 →

#91187b

#3e9118 · #18916a

#2e1891 · #912e18

Split-complementary

Open in tool →

#6a1891 · #91183e

#183e91 · #91187b · #916a18

Contrast

#18912e as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #16882b as the text (4.57:1)
  • AAA: use #106520 as the text (7.23:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.13:1passpassfail
  • AAA: use #1daf37 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18912e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #18912e
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 #18912e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18912e-a2beaa-b34edf-1f2d28-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