Color

#b5d20f

#b5d20f
hex#b5d20f
rgbrgb(181, 210, 15)
hslhsl(69, 87%, 44%)
oklchoklch(0.814 0.19 119.3)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5595

Colors that go with #b5d20f

Deep Sky Blue, Blue and Charcoal 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 →

#2c0fd2

#d28d0f · #53d20f

#0fb5d2 · #d20fb5

Split-complementary

Open in tool →

#0f53d2 · #8d0fd2

#0fd28d · #2c0fd2 · #d20f53

Contrast

#b5d20f as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #6b7c09 as the text (4.65:1)
  • AAA: use #525f07 as the text (7:1)
  • AA: or shift the background to #525252 (4.54:1)
  • AAA: or shift the background to #363636 (7.01:1)
Aaon black
12.19:1passpasspassPasses 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 #b5d20f 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 #b5d20f
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 #b5d20f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5d20f-b7bea2-4e7edf-252d1f-f1eee9?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