Color

#4fe71d

#4fe71d
hex#4fe71d
rgbrgb(79, 231, 29)
hslhsl(105, 81%, 51%)
oklchoklch(0.815 0.255 140.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.589

Colors that go with #4fe71d

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 →

#b51de7

#b5e71d · #1de74f

#1d4fe7 · #e71d4f

Split-complementary

Open in tool →

#4f1de7 · #e71db5

#1db5e7 · #b51de7 · #e74f1d

Contrast

#4fe71d as textRatioAAAA largeAAAFix
Aaon white
1.64:1failfailfail
  • AA: use #2c860e as the text (4.64:1)
  • AAA: use #21660b as the text (7.07:1)
  • AA: or shift the background to #545454 (4.61:1)
  • AAA: or shift the background to #383838 (7.14:1)
Aaon black
12.78:1passpasspassPasses 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 #4fe71d 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 #4fe71d
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 #4fe71d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fe71d-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