Color

#5bf1cb

#5bf1cb
hex#5bf1cb
rgbrgb(91, 241, 203)
hslhsl(165, 84%, 65%)
oklchoklch(0.868 0.139 173.1)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.6945

Colors that go with #5bf1cb

Charcoal, Taupe and Hot Pink 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 →

#f15b80

#5bf180 · #5bcbf1

#cb5bf1 · #f1cb5b

Split-complementary

Open in tool →

#f15bcb · #f1805b

#805bf1 · #f15b80 · #cbf15b

Contrast

#5bf1cb as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #0b8365 as the text (4.72:1)
  • AAA: use #09634c as the text (7.24:1)
  • AA: or shift the background to #5e5e5e (4.6:1)
  • AAA: or shift the background to #424242 (7.13:1)
Aaon black
14.89:1passpasspassPasses 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 #5bf1cb as the background.

Brands using this color

mcpConnect your agent — build around #5bf1cb
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 #5bf1cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bf1cb-a2beba-d459b3-1f2b2d-e9f1eb?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