Color

#3bb042

#3bb042
hex#3bb042
rgbrgb(59, 176, 66)
hslhsl(124, 50%, 46%)
oklchoklch(0.668 0.182 144.1)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3237

Colors that go with #3bb042

Charcoal, Royal Blue and Taupe 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 →

#b03ba8

#6db03b · #3bb07d

#423bb0 · #b0423b

Split-complementary

Open in tool →

#7d3bb0 · #b03b6d

#3b6db0 · #b03ba8 · #b07d3b

Contrast

#3bb042 as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #2d8633 as the text (4.6:1)
  • AAA: use #216326 as the text (7.3:1)
  • AA: or shift the background to #303030 (4.7:1)
  • AAA: or shift the background to #0a0a0a (7.05:1)
Aaon black
7.47:1passpasspassPasses 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 #3bb042 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 #3bb042
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 #3bb042 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb042-a2bea7-a24edf-1f2d26-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