Color

#537f76

#537f76
hex#537f76
rgbrgb(83, 127, 118)
hslhsl(168, 21%, 41%)
oklchoklch(0.562 0.051 180.1)
Closest name: Ecological (#677f70)Relative luminance 0.1833

Colors that go with #537f76

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 #537f76

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f535b

#537f60 · #53717f

#76537f · #7f7653

Split-complementary

Open in tool →

#7f5371 · #7f6053

#60537f · #7f535b · #717f53

Contrast

#537f76 as textRatioAAAA largeAAAFix
Aaon white
4.5:1passpassfail
  • AAA: use #3c5d56 as the text (7.26:1)
Aaon black
4.67:1passpassfail
  • AAA: use #6ea096 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #537f76 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 #537f76
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 #537f76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/537f76-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