Color

#3ff80d

#3ff80d
hex#3ff80d
rgbrgb(63, 248, 13)
hslhsl(107, 94%, 51%)
oklchoklch(0.854 0.279 141.1)
Closest name: Electric Laser Lime (#26ff2a)Relative luminance 0.6822

Colors that go with #3ff80d

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c50df8

#b5f80d · #0df84f

#0d3ff8 · #f80d3f

Split-complementary

Open in tool →

#4f0df8 · #f80db5

#0db5f8 · #c50df8 · #f84f0d

Contrast

#3ff80d as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #208604 as the text (4.69:1)
  • AAA: use #186303 as the text (7.43:1)
  • AA: or shift the background to #5e5e5e (4.52:1)
  • AAA: or shift the background to #424242 (7.01:1)
Aaon black
14.64:1passpasspassPasses 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 #3ff80d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #3ff80d
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 #3ff80d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ff80d-a5bea2-7a4edf-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