Color

#55ce55

#55ce55
hex#55ce55
rgbrgb(85, 206, 85)
hslhsl(120, 55%, 57%)
oklchoklch(0.757 0.195 143.4)
Closest name: Battletoad (#11cc55)Relative luminance 0.4673

Colors that go with #55ce55

Blue, Charcoal and Royal Blue 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 →

#ce55ce

#91ce55 · #55ce91

#5555ce · #ce5555

Split-complementary

Open in tool →

#9155ce · #ce5591

#5591ce · #ce55ce · #ce9155

Contrast

#55ce55 as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #278627 as the text (4.64:1)
  • AAA: use #1d631d as the text (7.36:1)
  • AA: or shift the background to #474747 (4.58:1)
  • AAA: or shift the background to #292929 (7.17:1)
Aaon black
10.35:1passpasspassPasses 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 #55ce55 as the background.

Brands using this color

mcpConnect your agent — build around #55ce55
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 #55ce55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55ce55-a2bea5-994edf-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