Color

#437c18

#437c18
hex#437c18
rgbrgb(67, 124, 24)
hslhsl(94, 68%, 29%)
oklchoklch(0.527 0.142 135.2)
Closest name: Avocado (#568203)Relative luminance 0.1567

Colors that go with #437c18

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 →

#51187c

#767c18 · #187c1e

#18437c · #7c1843

Split-complementary

Open in tool →

#1e187c · #7c1876

#18767c · #51187c · #7c1e18

Contrast

#437c18 as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #356313 as the text (7.13:1)
Aaon black
4.13:1failpassfail
  • AA: use #488519 as the text (4.64:1)
  • AAA: use #5dab21 as the text (7.31:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437c18 as the background.

Brands using this color

Fonts for this mood

#437c18 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #437c18
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 #437c18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437c18-abbea2-5a4edf-1f2d1f-f0f1e9?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