Color

#4cfa5b

#4cfa5b
hex#4cfa5b
rgbrgb(76, 250, 91)
hslhsl(125, 95%, 64%)
oklchoklch(0.866 0.245 144.3)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7066

Colors that go with #4cfa5b

Violet, Hot Pink and Plum 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 →

#fa4cec

#95fa4c · #4cfab2

#5b4cfa · #fa5b4c

Split-complementary

Open in tool →

#b24cfa · #fa4c95

#4c95fa · #fa4cec · #fab24c

Contrast

#4cfa5b as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #03860e as the text (4.75:1)
  • AAA: use #03680b as the text (7.03:1)
  • AA: or shift the background to #5e5e5e (4.67:1)
  • AAA: or shift the background to #424242 (7.24:1)
Aaon black
15.13:1passpasspassPasses 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 #4cfa5b 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 #4cfa5b
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 #4cfa5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4cfa5b-a2bea7-a54edf-1f2d26-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