Color

#b4d425

#b4d425
hex#b4d425
rgbrgb(180, 212, 37)
hslhsl(71, 70%, 49%)
oklchoklch(0.818 0.186 120.4)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5692

Colors that go with #b4d425

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 →

#4625d4

#d49d25 · #5dd425

#25b4d4 · #d425b4

Split-complementary

Open in tool →

#255dd4 · #9d25d4

#25d49d · #4625d4 · #d4255d

Contrast

#b4d425 as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #6b7e16 as the text (4.54:1)
  • AAA: use #515f11 as the text (7.01:1)
  • AA: or shift the background to #525252 (4.61:1)
  • AAA: or shift the background to #363636 (7.13:1)
Aaon black
12.38:1passpasspassPasses 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 #b4d425 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 #b4d425
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 #b4d425 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4d425-b6bea2-4e7adf-252d1f-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