Color

#55aa9e

#55aa9e
hex#55aa9e
rgbrgb(85, 170, 158)
hslhsl(172, 33%, 50%)
oklchoklch(0.681 0.085 183.4)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.3315

Colors that go with #55aa9e

Charcoal, Burlywood 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 #55aa9e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa5561

#55aa74 · #558baa

#9e55aa · #aa9e55

Split-complementary

Open in tool →

#aa558b · #aa7455

#7455aa · #aa5561 · #8baa55

Contrast

#55aa9e as textRatioAAAA largeAAAFix
Aaon white
2.75:1failfailfail
  • AA: use #418178 as the text (4.53:1)
  • AAA: use #305f59 as the text (7.22:1)
  • AA: or shift the background to #333333 (4.59:1)
  • AAA: or shift the background to #0d0d0d (7.06:1)
Aaon black
7.63:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #55aa9e as the background.

Brands using this color

mcpConnect your agent — build around #55aa9e
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 #55aa9e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55aa9e-a2bebe-d459a5-1f292d-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