Color

#4ec660

#4ec660
hex#4ec660
rgbrgb(78, 198, 96)
hslhsl(129, 51%, 54%)
oklchoklch(0.735 0.178 146.2)
Closest name: Emerald Green (#50c878)Relative luminance 0.4285

Colors that go with #4ec660

Charcoal, Royal Blue and Taupe 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 →

#c64eb4

#78c64e · #4ec69c

#604ec6 · #c6604e

Split-complementary

Open in tool →

#9c4ec6 · #c64e78

#4e78c6 · #c64eb4 · #c69c4e

Contrast

#4ec660 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #2c8739 as the text (4.53:1)
  • AAA: use #20642b as the text (7.19:1)
  • AA: or shift the background to #424242 (4.58:1)
  • AAA: or shift the background to #242424 (7.07:1)
Aaon black
9.57:1passpasspassPasses 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 #4ec660 as the background.

Brands using this color

mcpConnect your agent — build around #4ec660
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 #4ec660 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ec660-a2bea9-ae4edf-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