Color

#4f5259

#4f5259
hex#4f5259
rgbrgb(79, 82, 89)
hslhsl(222, 6%, 33%)
oklchoklch(0.438 0.012 267.2)
Closest name: Black Orchid (#525463)Relative luminance 0.0842

Colors that go with #4f5259

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 #4f5259

Tints & shades

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

Harmonies

Complementary

Open in tool →

#59564f

#4f5759 · #514f59

#594f52 · #52594f

Split-complementary

Open in tool →

#59514f · #57594f

#594f57 · #59564f · #4f5951

Contrast

#4f5259 as textRatioAAAA largeAAAFix
Aaon white
7.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #71757f as the text (4.55:1)
  • AAA: use #93979f as the text (7.17:1)
  • AA: or shift the background to #c7c7c7 (4.63:1)
  • AAA: or shift the background to #f5f5f5 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f5259 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

#4f5259 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f5259
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 #4f5259 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f5259-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