Color

#55bf40

#55bf40
hex#55bf40
rgbrgb(85, 191, 64)
hslhsl(110, 50%, 50%)
oklchoklch(0.716 0.192 140.6)
Closest name: Exit Light (#55bb33)Relative luminance 0.3956

Colors that go with #55bf40

Charcoal, Royal Blue and Taupe 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 →

#aa40bf

#95bf40 · #40bf6a

#4055bf · #bf4055

Split-complementary

Open in tool →

#6a40bf · #bf4095

#4095bf · #aa40bf · #bf6a40

Contrast

#55bf40 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #3c862d as the text (4.53:1)
  • AAA: use #2c6321 as the text (7.21:1)
  • AA: or shift the background to #3d3d3d (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.23:1)
Aaon black
8.91:1passpasspassPasses 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 #55bf40 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 #55bf40
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 #55bf40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55bf40-a3bea2-814edf-1f2d23-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