Color

#4efd60

#4efd60
hex#4efd60
rgbrgb(78, 253, 96)
hslhsl(126, 98%, 65%)
oklchoklch(0.875 0.245 144.6)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7271

Colors that go with #4efd60

Violet, Hot Pink and Plum 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 →

#fd4eec

#94fd4e · #4efdb7

#604efd · #fd604e

Split-complementary

Open in tool →

#b74efd · #fd4e94

#4e94fd · #fd4eec · #fdb74e

Contrast

#4efd60 as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #01880f as the text (4.64:1)
  • AAA: use #01650b as the text (7.32:1)
  • AA: or shift the background to #616161 (4.58:1)
  • AAA: or shift the background to #454545 (7.1:1)
Aaon black
15.54:1passpasspassPasses 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 #4efd60 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 #4efd60
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 #4efd60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4efd60-a2bea8-a74edf-1f2d27-ecf1e9?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