Color

#4f5154

#4f5154
hex#4f5154
rgbrgb(79, 81, 84)
hslhsl(216, 3%, 32%)
oklchoklch(0.434 0.006 258.3)
Closest name: All Nighter (#455454)Relative luminance 0.0819

Colors that go with #4f5154

Blue, 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.

Real palettes that use #4f5154

Tints & shades

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

Harmonies

Complementary

Open in tool →

#54524f

#4f5454 · #504f54

#544f51 · #51544f

Split-complementary

Open in tool →

#54504f · #54544f

#544f54 · #54524f · #4f5450

Contrast

#4f5154 as textRatioAAAA largeAAAFix
Aaon white
7.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #727579 as the text (4.54:1)
  • AAA: use #93969a as the text (7.07:1)
  • AA: or shift the background to #c4c4c4 (4.57:1)
  • AAA: or shift the background to #f2f2f2 (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 #4f5154 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

#4f5154 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f5154
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 #4f5154 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f5154-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