Color

#55ecc4

#55ecc4
hex#55ecc4
rgbrgb(85, 236, 196)
hslhsl(164, 80%, 63%)
oklchoklch(0.853 0.14 171.9)
Closest name: Aphrodite Aqua (#45e9c1)Relative luminance 0.6591

Colors that go with #55ecc4

Charcoal, Crimson and Deep Sky 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 →

#ec557d

#55ec78 · #55c9ec

#c455ec · #ecc455

Split-complementary

Open in tool →

#ec55c9 · #ec7855

#7855ec · #ec557d · #c9ec55

Contrast

#55ecc4 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #0f8566 as the text (4.6:1)
  • AAA: use #0b654d as the text (7.04:1)
  • AA: or shift the background to #5c5c5c (4.52:1)
  • AAA: or shift the background to #404040 (7:1)
Aaon black
14.18:1passpasspassPasses 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 #55ecc4 as the background.

Brands using this color

mcpConnect your agent — build around #55ecc4
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 #55ecc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55ecc4-a2beba-d459b5-1f2b2d-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