Color

#3bb413

#3bb413
hex#3bb413
rgbrgb(59, 180, 19)
hslhsl(105, 81%, 39%)
oklchoklch(0.676 0.212 140.1)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3362

Colors that go with #3bb413

Royal Blue, Taupe and Medium 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 →

#8c13b4

#8cb413 · #13b43b

#133bb4 · #b4133b

Split-complementary

Open in tool →

#3b13b4 · #b4138c

#138cb4 · #8c13b4 · #b43b13

Contrast

#3bb413 as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #2c860e as the text (4.64:1)
  • AAA: use #21660b as the text (7.07:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.05:1)
Aaon black
7.72:1passpasspassPasses 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 #3bb413 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 #3bb413
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 #3bb413 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb413-a6bea2-754edf-1f2d22-eff1e9?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