Color

#3bb337

#3bb337
hex#3bb337
rgbrgb(59, 179, 55)
hslhsl(118, 53%, 46%)
oklchoklch(0.675 0.194 142.6)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3345

Colors that go with #3bb337

Royal Blue, Taupe and Fuchsia 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 →

#af37b3

#79b337 · #37b371

#373bb3 · #b3373b

Split-complementary

Open in tool →

#7137b3 · #b33779

#3779b3 · #af37b3 · #b37137

Contrast

#3bb337 as textRatioAAAA largeAAAFix
Aaon white
2.73:1failfailfail
  • AA: use #2c8529 as the text (4.67:1)
  • AAA: use #22651f as the text (7.12:1)
  • 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 #3bb337 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 #3bb337
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 #3bb337 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb337-a2bea4-944edf-1f2d25-edf1e9?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