Color

#1bf3dd

#1bf3dd
hex#1bf3dd
rgbrgb(27, 243, 221)
hslhsl(174, 90%, 53%)
oklchoklch(0.867 0.152 183.2)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6955

Colors that go with #1bf3dd

Charcoal, Deep Sky Blue and Taupe 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 →

#f31b31

#1bf372 · #1b9df3

#dd1bf3 · #f3dd1b

Split-complementary

Open in tool →

#f31b9d · #f3721b

#721bf3 · #f31b31 · #9df31b

Contrast

#1bf3dd as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #078376 as the text (4.65:1)
  • AAA: use #056158 as the text (7.35:1)
  • AA: or shift the background to #5e5e5e (4.6:1)
  • AAA: or shift the background to #424242 (7.14:1)
Aaon black
14.91:1passpasspassPasses 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 #1bf3dd as the background.

Brands using this color

mcpConnect your agent — build around #1bf3dd
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 #1bf3dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bf3dd-a2bebe-d459a1-1f292d-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