Color

#37673e

#37673e
hex#37673e
rgbrgb(55, 103, 62)
hslhsl(129, 30%, 31%)
oklchoklch(0.468 0.084 147.4)
Closest name: Forest Serenade (#336644)Relative luminance 0.1086

Colors that go with #37673e

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 →

#673760

#486737 · #376756

#3e3767 · #673e37

Split-complementary

Open in tool →

#563767 · #673748

#374867 · #673760 · #675637

Contrast

#37673e as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #34603a as the text (7.29:1)
Aaon black
3.17:1failpassfail
  • AA: use #46814f as the text (4.51:1)
  • AAA: use #59a665 as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37673e as the background.

Brands using this color

mcpConnect your agent — build around #37673e
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 #37673e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37673e-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