Color

#5a6d72

#5a6d72
hex#5a6d72
rgbrgb(90, 109, 114)
hslhsl(193, 12%, 40%)
oklchoklch(0.521 0.024 215.4)
Closest name: Batman (#656e72)Relative luminance 0.1433

Colors that go with #5a6d72

Charcoal, Amber 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.

Real palettes that use #5a6d72

Tints & shades

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

Harmonies

Complementary

Open in tool →

#725f5a

#5a726b · #5a6172

#725a6d · #6d725a

Split-complementary

Open in tool →

#725a61 · #726b5a

#6b5a72 · #725f5a · #61725a

Contrast

#5a6d72 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #4a5a5e as the text (7.2:1)
Aaon black
3.87:1failpassfail
  • AA: use #63787e as the text (4.52:1)
  • AAA: use #84999f as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a6d72 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 #5a6d72
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 #5a6d72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a6d72-a2b5be-df4e75-1f242d-e9f1ef?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