Color

#b5d544

#b5d544
hex#b5d544
rgbrgb(181, 213, 68)
hslhsl(73, 63%, 55%)
oklchoklch(0.823 0.171 121.1)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5783

Colors that go with #b5d544

Charcoal, Cornflower Blue 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 →

#6344d5

#d5ac44 · #6dd544

#44b5d5 · #d544b5

Split-complementary

Open in tool →

#446dd5 · #ac44d5

#44d5ac · #6344d5 · #d5446d

Contrast

#b5d544 as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #687d1c as the text (4.63:1)
  • AAA: use #4c5b15 as the text (7.46:1)
  • AA: or shift the background to #545454 (4.53:1)
  • AAA: or shift the background to #383838 (7.02:1)
Aaon black
12.57:1passpasspassPasses 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 #b5d544 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 #b5d544
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 #b5d544 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5d544-b5bea2-4e75df-242d1f-f1efe9?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