Color

#1fdcf9

#1fdcf9
hex#1fdcf9
rgbrgb(31, 220, 249)
hslhsl(188, 95%, 55%)
oklchoklch(0.822 0.139 211.9)
Closest name: Aqua (#0ff0fe)Relative luminance 0.5832

Colors that go with #1fdcf9

Charcoal, Crimson and Dodger 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.

Real palettes that use #1fdcf9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f93c1f

#1ff9a9 · #1f6ff9

#f91fdc · #dcf91f

Split-complementary

Open in tool →

#f91f6f · #f9a91f

#a91ff9 · #f93c1f · #6ff91f

Contrast

#1fdcf9 as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #048295 as the text (4.53:1)
  • AAA: use #035f6d as the text (7.34:1)
  • AA: or shift the background to #545454 (4.57:1)
  • AAA: or shift the background to #383838 (7.07:1)
Aaon black
12.66:1passpasspassPasses 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 #1fdcf9 as the background.

Brands using this color

Fonts for this mood

#1fdcf9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fdcf9
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 #1fdcf9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fdcf9-a2b7be-df4e81-1f252d-e9f1ee?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