Color

#575757

#575757
hex#575757
rgbrgb(87, 87, 87)
hslhsl(0, 0%, 34%)
oklchoklch(0.457 0 0)
Closest name: Bark (#5f5854)Relative luminance 0.0953

Colors that go with #575757

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 →

#575757

#575757 · #575757

#575757 · #575757

Split-complementary

Open in tool →

#575757 · #575757

#575757 · #575757 · #575757

Contrast

#575757 as textRatioAAAA largeAAAFix
Aaon white
7.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #757575 as the text (4.56:1)
  • AAA: use #969696 as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.64:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #575757 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

#575757 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #575757
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 #575757 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575757-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