Color

#237c18

#237c18
hex#237c18
rgbrgb(35, 124, 24)
hslhsl(113, 68%, 29%)
oklchoklch(0.515 0.157 141.6)
Closest name: green (#008000)Relative luminance 0.1484

Colors that go with #237c18

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 →

#71187c

#567c18 · #187c3e

#18237c · #7c1823

Split-complementary

Open in tool →

#3e187c · #7c1856

#18567c · #71187c · #7c3e18

Contrast

#237c18 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #1c6313 as the text (7.39:1)
Aaon black
3.97:1failpassfail
  • AA: use #27891a as the text (4.68:1)
  • AAA: use #32b021 as the text (7.37:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #237c18 as the background.

Brands using this color

Fonts for this mood

#237c18 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #237c18
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 #237c18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/237c18-a2bea2-884edf-1f2d24-eef1e9?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