Color

#4bf18d

#4bf18d
hex#4bf18d
rgbrgb(75, 241, 141)
hslhsl(144, 86%, 62%)
oklchoklch(0.85 0.194 152.5)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6633

Colors that go with #4bf18d

Charcoal, Violet 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 →

#f14baf

#5bf14b · #4bf1e1

#8d4bf1 · #f18d4b

Split-complementary

Open in tool →

#e14bf1 · #f14b5b

#4b5bf1 · #f14baf · #f1e14b

Contrast

#4bf18d as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #0a853b as the text (4.74:1)
  • AAA: use #07642c as the text (7.32:1)
  • AA: or shift the background to #5c5c5c (4.54:1)
  • AAA: or shift the background to #404040 (7.04:1)
Aaon black
14.27:1passpasspassPasses 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 #4bf18d 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 #4bf18d
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 #4bf18d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bf18d-a2beb0-ca59d4-1f2d2b-eaf1e9?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