Color

#055757

#055757
hex#055757
rgbrgb(5, 87, 87)
hslhsl(180, 89%, 18%)
oklchoklch(0.414 0.069 194.8)
Closest name: Cape Verde (#01554f)Relative luminance 0.0754

Colors that go with #055757

Crimson, Blue and Cadet 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 #055757

Tints & shades

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

Harmonies

Complementary

Open in tool →

#570505

#05572e · #052e57

#570557 · #575705

Split-complementary

Open in tool →

#57052e · #572e05

#2e0557 · #570505 · #2e5705

Contrast

#055757 as textRatioAAAA largeAAAFix
Aaon white
8.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #088282 as the text (4.53:1)
  • AAA: use #0aa9a9 as the text (7.26:1)
  • AA: or shift the background to #bfbfbf (4.55:1)
  • AAA: or shift the background to #ebebeb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #055757 as the background.

Brands using this color

Fonts for this mood

#055757 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #055757
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 #055757 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/055757-a2bbbe-d45994-1f272d-e9f1ed?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