Color

#5b545f

#5b545f
hex#5b545f
rgbrgb(91, 84, 95)
hslhsl(278, 6%, 35%)
oklchoklch(0.456 0.02 313.5)
Closest name: Blackwater (#545663)Relative luminance 0.0939

Colors that go with #5b545f

Blush Pink, Cadet Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#585f54

#55545f · #5f545d

#5f5b54 · #545f5b

Split-complementary

Open in tool →

#5d5f54 · #545f55

#5f5554 · #585f54 · #545d5f

Contrast

#5b545f as textRatioAAAA largeAAAFix
Aaon white
7.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #7c7382 as the text (4.63:1)
  • AAA: use #9b939f as the text (7.07:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b545f as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#5b545f reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b545f
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 #5b545f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b545f-a2beb0-c859d4-1f2d2b-eaf1e9?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