Color

#55a3af

#55a3af
hex#55a3af
rgbrgb(85, 163, 175)
hslhsl(188, 36%, 51%)
oklchoklch(0.67 0.079 208.5)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.3122

Colors that go with #55a3af

Charcoal, Terracotta 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 #55a3af

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af6155

#55af8e · #5576af

#af55a3 · #a3af55

Split-complementary

Open in tool →

#af5576 · #af8e55

#8e55af · #af6155 · #76af55

Contrast

#55a3af as textRatioAAAA largeAAAFix
Aaon white
2.9:1failfailfail
  • AA: use #407e87 as the text (4.61:1)
  • AAA: use #2f5d65 as the text (7.31:1)
  • AA: or shift the background to #303030 (4.55:1)
  • AAA: or shift the background to #050505 (7.03:1)
Aaon black
7.24:1passpasspassPasses 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 #55a3af as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#55a3af reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #55a3af
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 #55a3af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55a3af-a2b7be-df4e81-1f252d-e9f1ee?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