Color

#054e51

#054e51
hex#054e51
rgbrgb(5, 78, 81)
hslhsl(182, 88%, 17%)
oklchoklch(0.386 0.064 199.4)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0608

Colors that go with #054e51

Crimson, Steel 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 #054e51

Tints & shades

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

Harmonies

Complementary

Open in tool →

#510805

#05512e · #052951

#51054f · #4f5105

Split-complementary

Open in tool →

#510529 · #512e05

#2e0551 · #510805 · #295105

Contrast

#054e51 as textRatioAAAA largeAAAFix
Aaon white
9.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #098286 as the text (4.55:1)
  • AAA: use #0ba7ad as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #054e51 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#054e51 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #054e51
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 #054e51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/054e51-a2babe-d45990-1f272d-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