Color

#553f40

#553f40
hex#553f40
rgbrgb(85, 63, 64)
hslhsl(357, 15%, 29%)
oklchoklch(0.392 0.031 15.5)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0586

Colors that go with #553f40

Sea Green, Teal 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.

Real palettes that use #553f40

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f5554

#553f4b · #55493f

#40553f · #3f4055

Split-complementary

Open in tool →

#3f5549 · #3f4b55

#4b553f · #3f5554 · #493f55

Contrast

#553f40 as textRatioAAAA largeAAAFix
Aaon white
9.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #936c6e as the text (4.61:1)
  • AAA: use #ad9091 as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #553f40 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#553f40 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #553f40
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 #553f40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/553f40-c49f9c-62cb93-2d251f-f1e9ed?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