Color

#40912b

#40912b
hex#40912b
rgbrgb(64, 145, 43)
hslhsl(108, 54%, 37%)
oklchoklch(0.585 0.159 139.9)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2152

Colors that go with #40912b

Charcoal, Crimson and Royal 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 →

#7d2b91

#73912b · #2b914a

#2b4091 · #912b40

Split-complementary

Open in tool →

#4a2b91 · #912b73

#2b7391 · #7d2b91 · #914a2b

Contrast

#40912b as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #3b8628 as the text (4.54:1)
  • AAA: use #2b621d as the text (7.32:1)
  • AA: or shift the background to #171717 (4.53:1)
Aaon black
5.3:1passpassfail
  • AAA: use #4aa932 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40912b 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 #40912b
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 #40912b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40912b-a4bea2-7c4edf-1f2d23-eff1e9?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