Color

#406d47

#406d47
hex#406d47
rgbrgb(64, 109, 71)
hslhsl(129, 26%, 34%)
oklchoklch(0.491 0.078 148)
Closest name: Forest Serenade (#336644)Relative luminance 0.1248

Colors that go with #406d47

Charcoal, Royal Blue and 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 →

#6d4066

#506d40 · #406d5d

#47406d · #6d4740

Split-complementary

Open in tool →

#5d406d · #6d4050

#40506d · #6d4066 · #6d5d40

Contrast

#406d47 as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #39603f as the text (7.19:1)
Aaon black
3.5:1failpassfail
  • AA: use #4b8153 as the text (4.56:1)
  • AAA: use #65a46e as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (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 #406d47 as the background.

Brands using this color

mcpConnect your agent — build around #406d47
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 #406d47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d47-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