Color

#55fe3e

#55fe3e
hex#55fe3e
rgbrgb(85, 254, 62)
hslhsl(113, 99%, 62%)
oklchoklch(0.876 0.264 141.5)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7316

Colors that go with #55fe3e

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e83efe

#b4fe3e · #3efe88

#3e55fe · #fe3e55

Split-complementary

Open in tool →

#883efe · #fe3eb4

#3eb4fe · #e83efe · #fe883e

Contrast

#55fe3e as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #118901 as the text (4.56:1)
  • AAA: use #0c6501 as the text (7.3:1)
  • AA: or shift the background to #616161 (4.61:1)
  • AAA: or shift the background to #454545 (7.14:1)
Aaon black
15.63:1passpasspassPasses 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 #55fe3e 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 #55fe3e
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 #55fe3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55fe3e-a2bea2-884edf-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