Color

#55ff4d

#55ff4d
hex#55ff4d
rgbrgb(85, 255, 77)
hslhsl(117, 100%, 65%)
oklchoklch(0.88 0.257 142.4)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7399

Colors that go with #55ff4d

Violet, Deep Sky Blue 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.

Real palettes that use #55ff4d

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f64dff

#afff4d · #4dff9d

#4d55ff · #ff4d55

Split-complementary

Open in tool →

#9d4dff · #ff4daf

#4dafff · #f64dff · #ff9d4d

Contrast

#55ff4d as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #078a00 as the text (4.52:1)
  • AAA: use #056600 as the text (7.22:1)
  • AA: or shift the background to #636363 (4.52:1)
  • AAA: or shift the background to #454545 (7.21:1)
Aaon black
15.8:1passpasspassPasses 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 #55ff4d 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 #55ff4d
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 #55ff4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55ff4d-a2bea4-924edf-1f2d25-edf1e9?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