Color

#3cc340

#3cc340
hex#3cc340
rgbrgb(60, 195, 64)
hslhsl(122, 53%, 50%)
oklchoklch(0.719 0.206 143.4)
Closest name: Exit Light (#55bb33)Relative luminance 0.4036

Colors that go with #3cc340

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 →

#c33cbf

#7bc33c · #3cc384

#403cc3 · #c3403c

Split-complementary

Open in tool →

#843cc3 · #c33c7b

#3c7bc3 · #c33cbf · #c3843c

Contrast

#3cc340 as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #29852c as the text (4.68:1)
  • AAA: use #1f6522 as the text (7.14:1)
  • AA: or shift the background to #3d3d3d (4.69:1)
  • AAA: or shift the background to #1f1f1f (7.12:1)
Aaon black
9.07:1passpasspassPasses 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 #3cc340 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 #3cc340
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 #3cc340 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cc340-a2bea6-9e4edf-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