Color

#b2bb11

#b2bb11
hex#b2bb11
rgbrgb(178, 187, 17)
hslhsl(63, 83%, 40%)
oklchoklch(0.759 0.167 113.2)
Closest name: Citrus (#9fb70a)Relative luminance 0.4505

Colors that go with #b2bb11

Cornflower Blue, Deep Sky Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a11bb

#bb6e11 · #5ebb11

#11b2bb · #bb11b2

Split-complementary

Open in tool →

#115ebb · #6e11bb

#11bb6e · #1a11bb · #bb115e

Contrast

#b2bb11 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #74790b as the text (4.69:1)
  • AAA: use #595d09 as the text (7.01:1)
  • AA: or shift the background to #454545 (4.57:1)
  • AAA: or shift the background to #262626 (7.21:1)
Aaon black
10.01:1passpasspassPasses 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 #b2bb11 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 #b2bb11
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 #b2bb11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b2bb11-b9bea2-4e8ddf-262d1f-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