Color

#54bbb9

#54bbb9
hex#54bbb9
rgbrgb(84, 187, 185)
hslhsl(179, 43%, 53%)
oklchoklch(0.731 0.095 193.5)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4093

Colors that go with #54bbb9

Charcoal, Dark Olive Green and Denim 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 →

#bb5455

#54bb85 · #5489bb

#b954bb · #bbb954

Split-complementary

Open in tool →

#bb5489 · #bb8554

#8554bb · #bb5455 · #89bb54

Contrast

#54bbb9 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #33807e as the text (4.64:1)
  • AAA: use #265f5e as the text (7.29:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.04:1)
Aaon black
9.19:1passpasspassPasses 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 #54bbb9 as the background.

Brands using this color

mcpConnect your agent — build around #54bbb9
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 #54bbb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/54bbb9-a2bbbe-d45996-1f272d-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