Color

#3bb07d

#3bb07d
hex#3bb07d
rgbrgb(59, 176, 125)
hslhsl(154, 50%, 46%)
oklchoklch(0.679 0.129 160.7)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3346

Colors that go with #3bb07d

Charcoal, Midnight Blue and Mustard Yellow 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 →

#b03b6d

#3bb042 · #3ba8b0

#7d3bb0 · #b07d3b

Split-complementary

Open in tool →

#b03ba8 · #b0423b

#423bb0 · #b03b6d · #a8b03b

Contrast

#3bb07d as textRatioAAAA largeAAAFix
Aaon white
2.73:1failfailfail
  • AA: use #2b825c as the text (4.72:1)
  • AAA: use #216347 as the text (7.14:1)
  • AA: or shift the background to #333333 (4.63:1)
  • AAA: or shift the background to #0f0f0f (7.02:1)
Aaon black
7.69:1passpasspassPasses 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 #3bb07d 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 #3bb07d
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 #3bb07d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb07d-a2beb5-d459ca-1f2d2d-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