Color

#4ddb29

#4ddb29
hex#4ddb29
rgbrgb(77, 219, 41)
hslhsl(108, 71%, 51%)
oklchoklch(0.784 0.239 140.4)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.524

Colors that go with #4ddb29

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 →

#b729db

#a6db29 · #29db5f

#294ddb · #db294d

Split-complementary

Open in tool →

#5f29db · #db29a6

#29a6db · #b729db · #db5f29

Contrast

#4ddb29 as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #2d8717 as the text (4.58:1)
  • AAA: use #226411 as the text (7.24:1)
  • AA: or shift the background to #4d4d4d (4.62:1)
  • AAA: or shift the background to #303030 (7.22:1)
Aaon black
11.48:1passpasspassPasses 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 #4ddb29 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 #4ddb29
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 #4ddb29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ddb29-a4bea2-7c4edf-1f2d23-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