Color

#bbc011

#bbc011
hex#bbc011
rgbrgb(187, 192, 17)
hslhsl(62, 84%, 41%)
oklchoklch(0.778 0.169 111.6)
Closest name: Celery (#b4c04c)Relative luminance 0.483

Colors that go with #bbc011

Charcoal, Crimson and Dark Olive Green 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 #bbc011

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1711c0

#c06e11 · #63c011

#11bbc0 · #c011bb

Split-complementary

Open in tool →

#1163c0 · #6e11c0

#11c06e · #1711c0 · #c01163

Contrast

#bbc011 as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #767a0b as the text (4.61:1)
  • AAA: use #565908 as the text (7.43:1)
  • AA: or shift the background to #474747 (4.72:1)
  • AAA: or shift the background to #2b2b2b (7.19:1)
Aaon black
10.66:1passpasspassPasses 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 #bbc011 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 #bbc011
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 #bbc011 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbc011-babea2-4e8fdf-272d1f-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