Color

#4ddd40

#4ddd40
hex#4ddd40
rgbrgb(77, 221, 64)
hslhsl(115, 70%, 56%)
oklchoklch(0.791 0.23 141.9)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5366

Colors that go with #4ddd40

Violet, Hot Pink and Dark Orange 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 →

#d040dd

#9cdd40 · #40dd82

#404ddd · #dd404d

Split-complementary

Open in tool →

#8240dd · #dd409c

#409cdd · #d040dd · #dd8240

Contrast

#4ddd40 as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #218618 as the text (4.68:1)
  • AAA: use #186412 as the text (7.32:1)
  • AA: or shift the background to #4f4f4f (4.58:1)
  • AAA: or shift the background to #333333 (7.06:1)
Aaon black
11.73:1passpasspassPasses 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 #4ddd40 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 #4ddd40
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 #4ddd40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ddd40-a2bea3-8d4edf-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