Color

#3ffd26

#3ffd26
hex#3ffd26
rgbrgb(63, 253, 38)
hslhsl(113, 98%, 57%)
oklchoklch(0.868 0.279 141.7)
Closest name: Electric Laser Lime (#26ff2a)Relative luminance 0.7145

Colors that go with #3ffd26

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 →

#e426fd

#aafd26 · #26fd78

#263ffd · #fd263f

Split-complementary

Open in tool →

#7826fd · #fd26aa

#26aafd · #e426fd · #fd7826

Contrast

#3ffd26 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #118801 as the text (4.62:1)
  • AAA: use #0d6501 as the text (7.29:1)
  • AA: or shift the background to #616161 (4.51:1)
  • AAA: or shift the background to #424242 (7.32:1)
Aaon black
15.29:1passpasspassPasses 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 #3ffd26 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 #3ffd26
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 #3ffd26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ffd26-a2bea2-884edf-1f2d24-eef1e9?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