Color

#4fc43b

#4fc43b
hex#4fc43b
rgbrgb(79, 196, 59)
hslhsl(111, 54%, 50%)
oklchoklch(0.726 0.204 141)
Closest name: Exit Light (#55bb33)Relative luminance 0.4146

Colors that go with #4fc43b

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 →

#b03bc4

#94c43b · #3bc46b

#3b4fc4 · #c43b4f

Split-complementary

Open in tool →

#6b3bc4 · #c43b94

#3b94c4 · #b03bc4 · #c46b3b

Contrast

#4fc43b as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #368628 as the text (4.57:1)
  • AAA: use #28621d as the text (7.36:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.12:1)
Aaon black
9.29:1passpasspassPasses 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 #4fc43b 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 #4fc43b
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 #4fc43b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fc43b-a3bea2-834edf-1f2d23-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