Color

#3bbf6b

#3bbf6b
hex#3bbf6b
rgbrgb(59, 191, 107)
hslhsl(142, 53%, 49%)
oklchoklch(0.714 0.166 151.4)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3925

Colors that go with #3bbf6b

Charcoal, Royal 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 →

#bf3b8f

#4cbf3b · #3bbfae

#6b3bbf · #bf6b3b

Split-complementary

Open in tool →

#ae3bbf · #bf3b4c

#3b4cbf · #bf3b8f · #bfae3b

Contrast

#3bbf6b as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #29854a as the text (4.62:1)
  • AAA: use #1f6539 as the text (7.05:1)
  • AA: or shift the background to #3d3d3d (4.58:1)
  • AAA: or shift the background to #1c1c1c (7.18:1)
Aaon black
8.85:1passpasspassPasses 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 #3bbf6b 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 #3bbf6b
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 #3bbf6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbf6b-a2beaf-c659d4-1f2d2a-eaf1e9?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