Color

#4fe01f

#4fe01f
hex#4fe01f
rgbrgb(79, 224, 31)
hslhsl(105, 76%, 50%)
oklchoklch(0.797 0.247 140)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5507

Colors that go with #4fe01f

Deep Sky Blue, Taupe and Violet 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 →

#b01fe0

#b0e01f · #1fe04f

#1f4fe0 · #e01f4f

Split-complementary

Open in tool →

#4f1fe0 · #e01fb0

#1fb0e0 · #b01fe0 · #e04f1f

Contrast

#4fe01f as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #2f8712 as the text (4.57:1)
  • AAA: use #23630d as the text (7.34:1)
  • AA: or shift the background to #4f4f4f (4.69:1)
  • AAA: or shift the background to #333333 (7.23:1)
Aaon black
12.01:1passpasspassPasses 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 #4fe01f 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 #4fe01f
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 #4fe01f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fe01f-a6bea2-754edf-1f2d22-eff1e9?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