Color

#1fd0ef

#1fd0ef
hex#1fd0ef
rgbrgb(31, 208, 239)
hslhsl(189, 87%, 53%)
oklchoklch(0.79 0.135 214)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5164

Colors that go with #1fd0ef

Charcoal, Dark Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef3e1f

#1fefa6 · #1f68ef

#ef1fd0 · #d0ef1f

Split-complementary

Open in tool →

#ef1f68 · #efa61f

#a61fef · #ef3e1f · #68ef1f

Contrast

#1fd0ef as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #0a7f94 as the text (4.69:1)
  • AAA: use #085e6e as the text (7.4:1)
  • AA: or shift the background to #4d4d4d (4.56:1)
  • AAA: or shift the background to #303030 (7.12:1)
Aaon black
11.33:1passpasspassPasses 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 #1fd0ef as the background.

Brands using this color

Fonts for this mood

#1fd0ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fd0ef
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 #1fd0ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fd0ef-a2b7be-df4e7e-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