Color

#55a581

#55a581
hex#55a581
rgbrgb(85, 165, 129)
hslhsl(153, 32%, 49%)
oklchoklch(0.661 0.097 162.7)
Closest name: Herbal (#29ab87)Relative luminance 0.3043

Colors that go with #55a581

Charcoal, Cornflower Blue and Blue 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 #55a581

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a55579

#55a559 · #55a1a5

#8155a5 · #a58155

Split-complementary

Open in tool →

#a555a1 · #a55955

#5955a5 · #a55579 · #a1a555

Contrast

#55a581 as textRatioAAAA largeAAAFix
Aaon white
2.96:1failfailfail
  • AA: use #428064 as the text (4.66:1)
  • AAA: use #32624c as the text (7.03:1)
  • AA: or shift the background to #2e2e2e (4.58:1)
  • AAA: or shift the background to #000000 (7.09:1)
Aaon black
7.09:1passpasspassPasses 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 #55a581 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 #55a581
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 #55a581 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55a581-a2beb5-d459cc-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