Color

#3bbfa7

#3bbfa7
hex#3bbfa7
rgbrgb(59, 191, 167)
hslhsl(169, 53%, 49%)
oklchoklch(0.728 0.118 178)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4098

Colors that go with #3bbfa7

Charcoal, Hot Pink and Midnight 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 →

#bf3b53

#3bbf65 · #3b95bf

#a73bbf · #bfa73b

Split-complementary

Open in tool →

#bf3b95 · #bf653b

#653bbf · #bf3b53 · #95bf3b

Contrast

#3bbfa7 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #288170 as the text (4.7:1)
  • AAA: use #1e6255 as the text (7.16:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.2:1passpasspassPasses 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 #3bbfa7 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 #3bbfa7
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 #3bbfa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbfa7-a2bebc-d459ab-1f2a2d-e9f1ec?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