Color

#4dee3f

#4dee3f
hex#4dee3f
rgbrgb(77, 238, 63)
hslhsl(115, 84%, 59%)
oklchoklch(0.834 0.249 142)
Closest name: Becquerel (#4bec13)Relative luminance 0.6309

Colors that go with #4dee3f

Deep Sky Blue, Violet and Hot Pink 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 →

#e03fee

#a5ee3f · #3fee88

#3f4dee · #ee3f4d

Split-complementary

Open in tool →

#883fee · #ee3fa5

#3fa5ee · #e03fee · #ee883f

Contrast

#4dee3f as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #16880c as the text (4.6:1)
  • AAA: use #116709 as the text (7.08:1)
  • AA: or shift the background to #595959 (4.54:1)
  • AAA: or shift the background to #3d3d3d (7.04:1)
Aaon black
13.62:1passpasspassPasses 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 #4dee3f 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 #4dee3f
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 #4dee3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dee3f-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