Color

#3ffa38

#3ffa38
hex#3ffa38
rgbrgb(63, 250, 56)
hslhsl(118, 95%, 60%)
oklchoklch(0.861 0.269 142.4)
Closest name: Electric Laser Lime (#26ff2a)Relative luminance 0.6971

Colors that go with #3ffa38

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 →

#f338fa

#9ffa38 · #38fa93

#383ffa · #fa383f

Split-complementary

Open in tool →

#9338fa · #fa389f

#389ffa · #f338fa · #fa9338

Contrast

#3ffa38 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #088603 as the text (4.75:1)
  • AAA: use #066803 as the text (7.03:1)
  • AA: or shift the background to #5e5e5e (4.61:1)
  • AAA: or shift the background to #424242 (7.15:1)
Aaon black
14.94:1passpasspassPasses 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 #3ffa38 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 #3ffa38
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 #3ffa38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ffa38-a2bea4-944edf-1f2d25-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