Color

#55fb18

#55fb18
hex#55fb18
rgbrgb(85, 251, 24)
hslhsl(104, 97%, 54%)
oklchoklch(0.867 0.274 140)
Closest name: Electric Laser Lime (#26ff2a)Relative luminance 0.7099

Colors that go with #55fb18

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 →

#bf18fb

#c6fb18 · #18fb4d

#1855fb · #fb1855

Split-complementary

Open in tool →

#4d18fb · #fb18c6

#18c6fb · #bf18fb · #fb4d18

Contrast

#55fb18 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #268802 as the text (4.56:1)
  • AAA: use #1c6402 as the text (7.31:1)
  • AA: or shift the background to #5e5e5e (4.69:1)
  • AAA: or shift the background to #424242 (7.27:1)
Aaon black
15.2:1passpasspassPasses 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 #55fb18 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #55fb18
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 #55fb18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55fb18-a6bea2-724edf-1f2d22-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