Color

#4fc841

#4fc841
hex#4fc841
rgbrgb(79, 200, 65)
hslhsl(114, 55%, 52%)
oklchoklch(0.737 0.205 141.6)
Closest name: Battletoad (#11cc55)Relative luminance 0.4335

Colors that go with #4fc841

Blue, Charcoal and Royal 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 →

#ba41c8

#92c841 · #41c877

#414fc8 · #c8414f

Split-complementary

Open in tool →

#7741c8 · #c84192

#4192c8 · #ba41c8 · #c87741

Contrast

#4fc841 as textRatioAAAA largeAAAFix
Aaon white
2.17:1failfailfail
  • AA: use #318627 as the text (4.6:1)
  • AAA: use #24631d as the text (7.3:1)
  • AA: or shift the background to #424242 (4.63:1)
  • AAA: or shift the background to #242424 (7.15:1)
Aaon black
9.67:1passpasspassPasses 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 #4fc841 as the background.

Brands using this color

mcpConnect your agent — build around #4fc841
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 #4fc841 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fc841-a2bea2-8a4edf-1f2d24-eef1e9?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