Color

#5f6367

#5f6367
hex#5f6367
rgbrgb(95, 99, 103)
hslhsl(210, 4%, 39%)
oklchoklch(0.498 0.008 248)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1234

Colors that go with #5f6367

Charcoal, Champagne and Copper 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 →

#67635f

#5f6767 · #5f5f67

#675f63 · #63675f

Split-complementary

Open in tool →

#675f5f · #67675f

#675f67 · #67635f · #5f675f

Contrast

#5f6367 as textRatioAAAA largeAAAFix
Aaon white
6.06:1passpassfail
  • AAA: use #56595d as the text (7.04:1)
Aaon black
3.47:1failpassfail
  • AA: use #71757a as the text (4.53:1)
  • AAA: use #92969b as the text (7.06:1)
  • AA: or shift the background to #dedede (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f6367 as the background.

Brands using this color

Fonts for this mood

#5f6367 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f6367
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 #5f6367 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f6367-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