Color

#55aa90

#55aa90
hex#55aa90
rgbrgb(85, 170, 144)
hslhsl(162, 33%, 50%)
oklchoklch(0.677 0.092 171.2)
Closest name: Hole in One (#4aae97)Relative luminance 0.3269

Colors that go with #55aa90

Charcoal, Blue and Burlywood 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 #55aa90

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa556f

#55aa66 · #5599aa

#9055aa · #aa9055

Split-complementary

Open in tool →

#aa5599 · #aa6655

#6655aa · #aa556f · #99aa55

Contrast

#55aa90 as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #41816e as the text (4.58:1)
  • AAA: use #305f51 as the text (7.29:1)
  • AA: or shift the background to #333333 (4.54:1)
  • AAA: or shift the background to #0a0a0a (7.11:1)
Aaon black
7.54:1passpasspassPasses 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 #55aa90 as the background.

Brands using this color

mcpConnect your agent — build around #55aa90
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 #55aa90 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55aa90-a2beb9-d459b9-1f2b2d-e9f1eb?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