Color

#4dffb5

#4dffb5
hex#4dffb5
rgbrgb(77, 255, 181)
hslhsl(155, 100%, 65%)
oklchoklch(0.893 0.177 161)
Closest name: Illicit Green (#56fca2)Relative luminance 0.7643

Colors that go with #4dffb5

Hot Pink, 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 →

#ff4d97

#4dff5b · #4df0ff

#b54dff · #ffb54d

Split-complementary

Open in tool →

#ff4df0 · #ff5b4d

#5b4dff · #ff4d97 · #f0ff4d

Contrast

#4dffb5 as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #00854d as the text (4.71:1)
  • AAA: use #00663c as the text (7.08:1)
  • AA: or shift the background to #636363 (4.66:1)
  • AAA: or shift the background to #474747 (7.21:1)
Aaon black
16.29:1passpasspassPasses 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 #4dffb5 as the background.

Brands using this color

mcpConnect your agent — build around #4dffb5
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 #4dffb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dffb5-a2beb6-d459c8-1f2d2d-e9f1ea?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