Color

#bbdb51

#bbdb51
hex#bbdb51
rgbrgb(187, 219, 81)
hslhsl(74, 66%, 59%)
oklchoklch(0.842 0.166 121.2)
Closest name: Badass Grass (#b4da55)Relative luminance 0.6182

Colors that go with #bbdb51

Charcoal, Plum 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.

Real palettes that use #bbdb51

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7251db

#dbb751 · #76db51

#51bbdb · #db51bb

Split-complementary

Open in tool →

#5176db · #b751db

#51dbb7 · #7251db · #db5176

Contrast

#bbdb51 as textRatioAAAA largeAAAFix
Aaon white
1.57:1failfailfail
  • AA: use #677f1a as the text (4.54:1)
  • AAA: use #4c5d13 as the text (7.29:1)
  • AA: or shift the background to #575757 (4.6:1)
  • AAA: or shift the background to #3b3b3b (7.13:1)
Aaon black
13.36:1passpasspassPasses 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 #bbdb51 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 #bbdb51
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 #bbdb51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbdb51-b4bea2-4e72df-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