Color

#3cf604

#3cf604
hex#3cf604
rgbrgb(60, 246, 4)
hslhsl(106, 97%, 49%)
oklchoklch(0.849 0.279 141.1)
Closest name: Electric Laser Lime (#26ff2a)Relative luminance 0.6688

Colors that go with #3cf604

Violet, Deep Sky Blue and Hot Pink 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.

Real palettes that use #3cf604

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#be04f6

#b6f604 · #04f644

#043cf6 · #f6043c

Split-complementary

Open in tool →

#4404f6 · #f604b6

#04b6f6 · #be04f6 · #f64404

Contrast

#3cf604 as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #218802 as the text (4.58:1)
  • AAA: use #196402 as the text (7.33:1)
  • AA: or shift the background to #5c5c5c (4.58:1)
  • AAA: or shift the background to #404040 (7.1:1)
Aaon black
14.38:1passpasspassPasses 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 #3cf604 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 #3cf604
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 #3cf604 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cf604-a5bea2-774edf-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