Color

#b4cd51

#b4cd51
hex#b4cd51
rgbrgb(180, 205, 81)
hslhsl(72, 55%, 56%)
oklchoklch(0.805 0.152 119.6)
Closest name: Celery (#b4c04c)Relative luminance 0.5396

Colors that go with #b4cd51

Charcoal, Deep Sky Blue and Plum 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 →

#6a51cd

#cda751 · #76cd51

#51b4cd · #cd51b4

Split-complementary

Open in tool →

#5176cd · #a751cd

#51cda7 · #6a51cd · #cd5176

Contrast

#b4cd51 as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #6d7e25 as the text (4.51:1)
  • AAA: use #4e5b1a as the text (7.41:1)
  • AA: or shift the background to #4f4f4f (4.6:1)
  • AAA: or shift the background to #333333 (7.09:1)
Aaon black
11.79:1passpasspassPasses 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 #b4cd51 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 #b4cd51
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 #b4cd51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4cd51-b5bea2-4e77df-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