Color

#4de42f

#4de42f
hex#4de42f
rgbrgb(77, 228, 47)
hslhsl(110, 77%, 54%)
oklchoklch(0.808 0.246 140.9)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5727

Colors that go with #4de42f

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 →

#c62fe4

#a8e42f · #2fe46c

#2f4de4 · #e42f4d

Split-complementary

Open in tool →

#6c2fe4 · #e42fa8

#2fa8e4 · #c62fe4 · #e46c2f

Contrast

#4de42f as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #258712 as the text (4.61:1)
  • AAA: use #1b630d as the text (7.4:1)
  • AA: or shift the background to #525252 (4.63:1)
  • AAA: or shift the background to #363636 (7.17:1)
Aaon black
12.45:1passpasspassPasses 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 #4de42f 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 #4de42f
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 #4de42f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4de42f-a3bea2-814edf-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