Color

#406d4f

#406d4f
hex#406d4f
rgbrgb(64, 109, 79)
hslhsl(140, 26%, 34%)
oklchoklch(0.493 0.07 153.9)
Closest name: Forest Serenade (#336644)Relative luminance 0.1259

Colors that go with #406d4f

Charcoal, Medium Violet Red 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 #406d4f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d405e

#486d40 · #406d66

#4f406d · #6d4f40

Split-complementary

Open in tool →

#66406d · #6d4048

#40486d · #6d405e · #6d6640

Contrast

#406d4f as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #396046 as the text (7.15:1)
Aaon black
3.52:1failpassfail
  • AA: use #4b815d as the text (4.6:1)
  • AAA: use #62a377 as the text (7.02:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406d4f 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 #406d4f
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 #406d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d4f-a2beaf-c259d4-1f2d2a-ebf1e9?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