Color

#4fc440

#4fc440
hex#4fc440
rgbrgb(79, 196, 64)
hslhsl(113, 53%, 51%)
oklchoklch(0.727 0.2 141.5)
Closest name: Exit Light (#55bb33)Relative luminance 0.4151

Colors that go with #4fc440

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 →

#b540c4

#92c440 · #40c473

#404fc4 · #c4404f

Split-complementary

Open in tool →

#7340c4 · #c44092

#4092c4 · #b540c4 · #c47340

Contrast

#4fc440 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #338529 as the text (4.64:1)
  • AAA: use #27651f as the text (7.08:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.13:1)
Aaon black
9.3:1passpasspassPasses 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 #4fc440 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 #4fc440
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 #4fc440 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fc440-a2bea2-884edf-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