Color

#4f404f

#4f404f
hex#4f404f
rgbrgb(79, 64, 79)
hslhsl(300, 10%, 28%)
oklchoklch(0.393 0.032 326.2)
Closest name: Black Magic (#4f4554)Relative luminance 0.0589

Colors that go with #4f404f

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 #4f404f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#404f40

#47404f · #4f4047

#4f4f40 · #404f4f

Split-complementary

Open in tool →

#474f40 · #404f47

#4f4740 · #404f40 · #40474f

Contrast

#4f404f as textRatioAAAA largeAAAFix
Aaon white
9.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #876e87 as the text (4.61:1)
  • AAA: use #a38fa3 as the text (7.02:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f404f 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

#4f404f reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f404f
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 #4f404f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f404f-c19fbd-95cb62-2d1f27-ede9f1?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