Color

#4df505

#4df505
hex#4df505
rgbrgb(77, 245, 5)
hslhsl(102, 96%, 49%)
oklchoklch(0.85 0.273 140.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6689

Colors that go with #4df505

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 →

#ad05f5

#c5f505 · #05f535

#054df5 · #f5054d

Split-complementary

Open in tool →

#3505f5 · #f505c5

#05c5f5 · #ad05f5 · #f53505

Contrast

#4df505 as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #2a8703 as the text (4.6:1)
  • AAA: use #1f6402 as the text (7.29:1)
  • AA: or shift the background to #5c5c5c (4.58:1)
  • AAA: or shift the background to #404040 (7.1:1)
Aaon black
14.38:1passpasspassPasses 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 #4df505 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 #4df505
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 #4df505 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4df505-a7bea2-6e4edf-1f2d21-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