Color

#5b8f8a

#5b8f8a
hex#5b8f8a
rgbrgb(91, 143, 138)
hslhsl(174, 22%, 46%)
oklchoklch(0.612 0.056 188.1)
Closest name: Highlands (#449084)Relative luminance 0.237

Colors that go with #5b8f8a

Charcoal, Copper 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 #5b8f8a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f5b61

#5b8f70 · #5b7a8f

#8a5b8f · #8f8a5b

Split-complementary

Open in tool →

#8f5b7a · #8f705b

#705b8f · #8f5b61 · #7a8f5b

Contrast

#5b8f8a as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #507c78 as the text (4.67:1)
  • AAA: use #3c5d5a as the text (7.23:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.74:1passpassfail
  • AAA: use #6aa09a as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b8f8a 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 #5b8f8a
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 #5b8f8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b8f8a-a2bebe-d459a1-1f292d-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