Color

#54b9bb

#54b9bb
hex#54b9bb
rgbrgb(84, 185, 187)
hslhsl(181, 43%, 53%)
oklchoklch(0.727 0.094 197.1)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4017

Colors that go with #54b9bb

Charcoal, Blue and Crimson 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 →

#bb5554

#54bb89 · #5485bb

#bb54b9 · #b9bb54

Split-complementary

Open in tool →

#bb5485 · #bb8954

#8954bb · #bb5554 · #85bb54

Contrast

#54b9bb as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #337e80 as the text (4.73:1)
  • AAA: use #276162 as the text (7.06:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.09:1)
Aaon black
9.03:1passpasspassPasses 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 #54b9bb as the background.

Brands using this color

Fonts for this mood

#54b9bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #54b9bb
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 #54b9bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/54b9bb-a2babe-d45992-1f272d-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