Color

#406d42

#406d42
hex#406d42
rgbrgb(64, 109, 66)
hslhsl(123, 26%, 34%)
oklchoklch(0.49 0.084 145.1)
Closest name: Botanical (#4d6e2f)Relative luminance 0.1242

Colors that go with #406d42

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 →

#6d406b

#546d40 · #406d59

#42406d · #6d4240

Split-complementary

Open in tool →

#59406d · #6d4054

#40546d · #6d406b · #6d5940

Contrast

#406d42 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #39603b as the text (7.22:1)
Aaon black
3.48:1failpassfail
  • AA: use #4b814e as the text (4.55:1)
  • AAA: use #65a468 as the text (7.06:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406d42 as the background.

Brands using this color

mcpConnect your agent — build around #406d42
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 #406d42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d42-a2bea6-a04edf-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