Color

#4efd77

#4efd77
hex#4efd77
rgbrgb(78, 253, 119)
hslhsl(134, 98%, 65%)
oklchoklch(0.877 0.227 147.4)
Closest name: Experimintal Green (#4cff7b)Relative luminance 0.732

Colors that go with #4efd77

Violet, Charcoal and Deep Sky Blue 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 →

#fd4ed4

#7dfd4e · #4efdcf

#774efd · #fd774e

Split-complementary

Open in tool →

#cf4efd · #fd4e7d

#4e7dfd · #fd4ed4 · #fdcf4e

Contrast

#4efd77 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #018821 as the text (4.62:1)
  • AAA: use #016518 as the text (7.3:1)
  • AA: or shift the background to #616161 (4.61:1)
  • AAA: or shift the background to #454545 (7.14:1)
Aaon black
15.64:1passpasspassPasses 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 #4efd77 as the background.

Brands using this color

mcpConnect your agent — build around #4efd77
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 #4efd77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4efd77-a2beac-b559d4-1f2d29-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