Color

#37683a

#37683a
hex#37683a
rgbrgb(55, 104, 58)
hslhsl(124, 31%, 31%)
oklchoklch(0.47 0.09 145.3)
Closest name: Greenhouse (#3e6334)Relative luminance 0.1102

Colors that go with #37683a

Charcoal, Royal Blue and Copper 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 →

#683764

#4c6837 · #376852

#3a3768 · #683a37

Split-complementary

Open in tool →

#523768 · #68374c

#374c68 · #683764 · #685237

Contrast

#37683a as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #336136 as the text (7.23:1)
Aaon black
3.2:1failpassfail
  • AA: use #458249 as the text (4.54:1)
  • AAA: use #58a75d as the text (7.1:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37683a as the background.

Brands using this color

mcpConnect your agent — build around #37683a
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 #37683a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37683a-a2bea7-a24edf-1f2d26-edf1e9?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