Color

#57756f

#57756f
hex#57756f
rgbrgb(87, 117, 111)
hslhsl(168, 15%, 40%)
oklchoklch(0.537 0.036 181.2)
Closest name: Batman (#656e72)Relative luminance 0.159

Colors that go with #57756f

Charcoal, Champagne and Cobalt 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 #57756f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#75575d

#577560 · #576c75

#6f5775 · #756f57

Split-complementary

Open in tool →

#75576c · #756057

#605775 · #75575d · #6c7557

Contrast

#57756f as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
Aaon black
4.18:1failpassfail
  • AA: use #5b7b75 as the text (4.53:1)
  • AAA: use #7b9d97 as the text (7.11:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57756f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #57756f
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 #57756f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57756f-a2bebc-d459ad-1f2a2d-e9f1ec?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