Color

#55b970

#55b970
hex#55b970
rgbrgb(85, 185, 112)
hslhsl(136, 42%, 53%)
oklchoklch(0.707 0.142 150.2)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.378

Colors that go with #55b970

Charcoal, Mustard Yellow and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9559f

#6cb955 · #55b9a2

#7055b9 · #b97055

Split-complementary

Open in tool →

#a255b9 · #b9556c

#556cb9 · #b9559f · #b9a255

Contrast

#55b970 as textRatioAAAA largeAAAFix
Aaon white
2.45:1failfailfail
  • AA: use #35824a as the text (4.73:1)
  • AAA: use #286237 as the text (7.26:1)
  • AA: or shift the background to #3b3b3b (4.57:1)
  • AAA: or shift the background to #1a1a1a (7.09:1)
Aaon black
8.56:1passpasspassPasses 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 #55b970 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 #55b970
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 #55b970 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55b970-a2bead-b959d4-1f2d29-ebf1e9?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