Color

#3bb927

#3bb927
hex#3bb927
rgbrgb(59, 185, 39)
hslhsl(112, 65%, 44%)
oklchoklch(0.69 0.21 141.3)
Closest name: Exit Light (#55bb33)Relative luminance 0.3577

Colors that go with #3bb927

Royal Blue, Taupe and Orchid 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 →

#a627b9

#84b927 · #27b95d

#273bb9 · #b9273b

Split-complementary

Open in tool →

#5d27b9 · #b92784

#2784b9 · #a627b9 · #b95d27

Contrast

#3bb927 as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #2b871d as the text (4.58:1)
  • AAA: use #206515 as the text (7.16:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.15:1)
Aaon black
8.15:1passpasspassPasses 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 #3bb927 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 #3bb927
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 #3bb927 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb927-a2bea2-864edf-1f2d23-eef1e9?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