Color

#5b806f

#5b806f
hex#5b806f
rgbrgb(91, 128, 111)
hslhsl(152, 17%, 43%)
oklchoklch(0.567 0.049 164.6)
Closest name: Ecological (#677f70)Relative luminance 0.1881

Colors that go with #5b806f

Charcoal, Champagne and Copper 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 #5b806f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#805b6c

#5b805c · #5b7f80

#6f5b80 · #806f5b

Split-complementary

Open in tool →

#805b7f · #805c5b

#5c5b80 · #805b6c · #7f805b

Contrast

#5b806f as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #597d6c as the text (4.59:1)
  • AAA: use #425c50 as the text (7.3:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #769e8b as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b806f as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #5b806f
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 #5b806f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b806f-a2beb4-d459ce-1f2d2d-e9f1ea?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