Color

#3bf1b8

#3bf1b8
hex#3bf1b8
rgbrgb(59, 241, 184)
hslhsl(161, 87%, 59%)
oklchoklch(0.856 0.164 166.5)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.673

Colors that go with #3bf1b8

Taupe, Hot Pink and Charcoal 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 →

#f13b75

#3bf15d · #3bd0f1

#b83bf1 · #f1b83b

Split-complementary

Open in tool →

#f13bd0 · #f15d3b

#5d3bf1 · #f13b75 · #d0f13b

Contrast

#3bf1b8 as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #09865e as the text (4.58:1)
  • AAA: use #076447 as the text (7.18:1)
  • AA: or shift the background to #5c5c5c (4.6:1)
  • AAA: or shift the background to #404040 (7.14:1)
Aaon black
14.46:1passpasspassPasses 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 #3bf1b8 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 #3bf1b8
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 #3bf1b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bf1b8-a2beb8-d459bb-1f2c2d-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