Color

#55f191

#55f191
hex#55f191
rgbrgb(85, 241, 145)
hslhsl(143, 85%, 64%)
oklchoklch(0.853 0.187 152.7)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6689

Colors that go with #55f191

Charcoal, Violet and Deep Sky 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 →

#f155b5

#67f155 · #55f1df

#9155f1 · #f19155

Split-complementary

Open in tool →

#df55f1 · #f15567

#5567f1 · #f155b5 · #f1df55

Contrast

#55f191 as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #0b893b as the text (4.51:1)
  • AAA: use #08632b as the text (7.42:1)
  • 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 #55f191 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 #55f191
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 #55f191 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55f191-a2beb0-c859d4-1f2d2b-eaf1e9?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