Color

#57706e

#57706e
hex#57706e
rgbrgb(87, 112, 110)
hslhsl(175, 13%, 39%)
oklchoklch(0.525 0.03 190.2)
Closest name: Batman (#656e72)Relative luminance 0.1474

Colors that go with #57706e

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 #57706e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#705759

#577061 · #576670

#6e5770 · #706e57

Split-complementary

Open in tool →

#705766 · #706157

#615770 · #705759 · #667057

Contrast

#57706e as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
  • AAA: use #475c5a as the text (7.13:1)
Aaon black
3.95:1failpassfail
  • AA: use #5f7c7a as the text (4.65:1)
  • AAA: use #7d9b99 as the text (7.02:1)
  • AA: or shift the background to #ededed (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57706e 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 #57706e
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 #57706e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57706e-a2bdbe-d4599f-1f282d-e9f1ed?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