Color

#3bbf7f

#3bbf7f
hex#3bbf7f
rgbrgb(59, 191, 127)
hslhsl(151, 53%, 49%)
oklchoklch(0.718 0.148 157.7)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3972

Colors that go with #3bbf7f

Charcoal, Blue and Cornflower 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 →

#bf3b7b

#3bbf3d · #3bbdbf

#7f3bbf · #bf7f3b

Split-complementary

Open in tool →

#bf3bbd · #bf3d3b

#3d3bbf · #bf3b7b · #bdbf3b

Contrast

#3bbf7f as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #298558 as the text (4.57:1)
  • AAA: use #1e6241 as the text (7.3:1)
  • AA: or shift the background to #3d3d3d (4.63:1)
  • AAA: or shift the background to #1f1f1f (7.02:1)
Aaon black
8.94:1passpasspassPasses 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 #3bbf7f as the background.

Brands using this color

mcpConnect your agent — build around #3bbf7f
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 #3bbf7f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbf7f-a2beb4-d459d0-1f2d2c-e9f1ea?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