Color

#3df83a

#3df83a
hex#3df83a
rgbrgb(61, 248, 58)
hslhsl(119, 93%, 60%)
oklchoklch(0.856 0.266 142.6)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6843

Colors that go with #3df83a

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 →

#f53af8

#9cf83a · #3af896

#3a3df8 · #f83a3d

Split-complementary

Open in tool →

#963af8 · #f83a9c

#3a9cf8 · #f53af8 · #f8963a

Contrast

#3df83a as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #078a05 as the text (4.52:1)
  • AAA: use #056704 as the text (7.12:1)
  • AA: or shift the background to #5e5e5e (4.53:1)
  • AAA: or shift the background to #424242 (7.03:1)
Aaon black
14.69:1passpasspassPasses 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 #3df83a 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 #3df83a
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 #3df83a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df83a-a2bea5-964edf-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