Color

#5bf1d3

#5bf1d3
hex#5bf1d3
rgbrgb(91, 241, 211)
hslhsl(168, 84%, 65%)
oklchoklch(0.87 0.134 177.2)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6984

Colors that go with #5bf1d3

Charcoal, Crimson and Deep Sky 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f15b79

#5bf188 · #5bc4f1

#d35bf1 · #f1d35b

Split-complementary

Open in tool →

#f15bc4 · #f1885b

#885bf1 · #f15b79 · #c4f15b

Contrast

#5bf1d3 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #0b836b as the text (4.69:1)
  • AAA: use #096351 as the text (7.2:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.16:1)
Aaon black
14.97:1passpasspassPasses 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 #5bf1d3 as the background.

Brands using this color

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

mcpConnect your agent — build around #5bf1d3
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 #5bf1d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bf1d3-a2bebc-d459ad-1f2a2d-e9f1ec?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