Color

#3bfc4b

#3bfc4b
hex#3bfc4b
rgbrgb(59, 252, 75)
hslhsl(125, 97%, 61%)
oklchoklch(0.867 0.262 143.8)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7106

Colors that go with #3bfc4b

Violet, Hot Pink and Plum 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 →

#fc3bec

#8bfc3b · #3bfcac

#4b3bfc · #fc4b3b

Split-complementary

Open in tool →

#ac3bfc · #fc3b8b

#3b8bfc · #fc3bec · #fcac3b

Contrast

#3bfc4b as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #02880d as the text (4.64:1)
  • AAA: use #02640a as the text (7.42:1)
  • AA: or shift the background to #5e5e5e (4.7:1)
  • AAA: or shift the background to #424242 (7.28:1)
Aaon black
15.21:1passpasspassPasses 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 #3bfc4b 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 #3bfc4b
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 #3bfc4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bfc4b-a2bea7-a54edf-1f2d26-ecf1e9?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