Color

#3bbfa2

#3bbfa2
hex#3bbfa2
rgbrgb(59, 191, 162)
hslhsl(167, 53%, 49%)
oklchoklch(0.726 0.121 174.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.408

Colors that go with #3bbfa2

Charcoal, Hot Pink and 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 →

#bf3b57

#3bbf60 · #3b9abf

#a23bbf · #bfa23b

Split-complementary

Open in tool →

#bf3b9a · #bf603b

#603bbf · #bf3b57 · #9abf3b

Contrast

#3bbfa2 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #28816d as the text (4.72:1)
  • AAA: use #1e6253 as the text (7.17:1)
  • AA: or shift the background to #404040 (4.52:1)
  • AAA: or shift the background to #212121 (7.02:1)
Aaon black
9.16:1passpasspassPasses 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 #3bbfa2 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 #3bbfa2
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 #3bbfa2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbfa2-a2bebb-d459af-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