Color

#3bf1ee

#3bf1ee
hex#3bf1ee
rgbrgb(59, 241, 238)
hslhsl(179, 87%, 59%)
oklchoklch(0.872 0.139 193.2)
Closest name: Aqua (#0ff0fe)Relative luminance 0.7001

Colors that go with #3bf1ee

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 →

#f13b3f

#3bf193 · #3b99f1

#ee3bf1 · #f1ee3b

Split-complementary

Open in tool →

#f13b99 · #f1933b

#933bf1 · #f13b3f · #99f13b

Contrast

#3bf1ee as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #09817f as the text (4.71:1)
  • AAA: use #075f5e as the text (7.48:1)
  • AA: or shift the background to #5e5e5e (4.63:1)
  • AAA: or shift the background to #424242 (7.18:1)
Aaon black
15:1passpasspassPasses 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 #3bf1ee 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 #3bf1ee
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 #3bf1ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bf1ee-a2bbbe-d45996-1f272d-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