Color

#406340

#406340
hex#406340
rgbrgb(64, 99, 64)
hslhsl(120, 21%, 32%)
oklchoklch(0.463 0.069 144.4)
Closest name: Forest Serenade (#336644)Relative luminance 0.1038

Colors that go with #406340

Charcoal, Blue and Champagne 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.

Real palettes that use #406340

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#634063

#526340 · #406352

#404063 · #634040

Split-complementary

Open in tool →

#524063 · #634052

#405263 · #634063 · #635240

Contrast

#406340 as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #3e603e as the text (7.12:1)
Aaon black
3.08:1failpassfail
  • AA: use #537f53 as the text (4.53:1)
  • AAA: use #71a271 as the text (7.11:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406340 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 #406340
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 #406340 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406340-a2bea5-994edf-1f2d25-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