Color

#3bbfb6

#3bbfb6
hex#3bbfb6
rgbrgb(59, 191, 182)
hslhsl(176, 53%, 49%)
oklchoklch(0.733 0.112 188.4)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4157

Colors that go with #3bbfb6

Charcoal, Blue and Crimson 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 →

#bf3b44

#3bbf74 · #3b86bf

#b63bbf · #bfb63b

Split-complementary

Open in tool →

#bf3b86 · #bf743b

#743bbf · #bf3b44 · #86bf3b

Contrast

#3bbfb6 as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #28817b as the text (4.65:1)
  • AAA: use #1e625d as the text (7.09:1)
  • AA: or shift the background to #404040 (4.6:1)
  • AAA: or shift the background to #212121 (7.14:1)
Aaon black
9.31:1passpasspassPasses 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 #3bbfb6 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 #3bbfb6
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 #3bbfb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbfb6-a2bdbe-d4599d-1f282d-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