Color

#18902c

#18902c
hex#18902c
rgbrgb(24, 144, 44)
hslhsl(130, 71%, 33%)
oklchoklch(0.571 0.171 144.9)
Closest name: Emerald (#028f1e)Relative luminance 0.2032

Colors that go with #18902c

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 →

#90187c

#409018 · #189068

#2c1890 · #902c18

Split-complementary

Open in tool →

#681890 · #901840

#184090 · #90187c · #906818

Contrast

#18902c as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #17872a as the text (4.63:1)
  • AAA: use #11641f as the text (7.33:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.06:1passpassfail
  • AAA: use #1eae36 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18902c 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 #18902c
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 #18902c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18902c-a2beaa-b14edf-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