Color

#18902a

#18902a
hex#18902a
rgbrgb(24, 144, 42)
hslhsl(129, 71%, 33%)
oklchoklch(0.571 0.172 144.6)
Closest name: Emerald (#028f1e)Relative luminance 0.2031

Colors that go with #18902a

Crimson, Dark Orchid and Charcoal 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 →

#90187e

#429018 · #189066

#2a1890 · #902a18

Split-complementary

Open in tool →

#661890 · #901842

#184290 · #90187e · #906618

Contrast

#18902a as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #178728 as the text (4.63:1)
  • AAA: use #11641e as the text (7.33:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.06:1passpassfail
  • AAA: use #1eae33 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 #18902a 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 #18902a
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 #18902a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18902a-a2bea9-ae4edf-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