Color

#4cc866

#4cc866
hex#4cc866
rgbrgb(76, 200, 102)
hslhsl(133, 53%, 54%)
oklchoklch(0.741 0.176 147.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.438

Colors that go with #4cc866

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 →

#c84cad

#6fc84c · #4cc8a5

#664cc8 · #c8664c

Split-complementary

Open in tool →

#a54cc8 · #c84c6f

#4c6fc8 · #c84cad · #c8a54c

Contrast

#4cc866 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #29853d as the text (4.65:1)
  • AAA: use #1f652e as the text (7.1:1)
  • AA: or shift the background to #424242 (4.67:1)
  • AAA: or shift the background to #262626 (7.03:1)
Aaon black
9.76:1passpasspassPasses 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 #4cc866 as the background.

Brands using this color

mcpConnect your agent — build around #4cc866
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 #4cc866 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4cc866-a2beab-b84edf-1f2d28-ebf1e9?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