Color

#406d43

#406d43
hex#406d43
rgbrgb(64, 109, 67)
hslhsl(124, 26%, 34%)
oklchoklch(0.49 0.083 145.7)
Closest name: Botanical (#4d6e2f)Relative luminance 0.1243

Colors that go with #406d43

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 →

#6d406a

#546d40 · #406d5a

#43406d · #6d4340

Split-complementary

Open in tool →

#5a406d · #6d4054

#40546d · #6d406a · #6d5a40

Contrast

#406d43 as textRatioAAAA largeAAAFix
Aaon white
6.02:1passpassfail
  • AAA: use #39603b as the text (7.22:1)
Aaon black
3.49:1failpassfail
  • AA: use #4b814f as the text (4.55:1)
  • AAA: use #65a469 as the text (7.07:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406d43 as the background.

Brands using this color

mcpConnect your agent — build around #406d43
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 #406d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d43-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