Color

#bbbb3a

#bbbb3a
hex#bbbb3a
rgbrgb(187, 187, 58)
hslhsl(60, 53%, 48%)
oklchoklch(0.769 0.146 109.4)
Closest name: Celery (#b4c04c)Relative luminance 0.4641

Colors that go with #bbbb3a

Charcoal, Lilac and Champagne 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 →

#3a3abb

#bb7a3a · #7abb3a

#3abbbb · #bb3abb

Split-complementary

Open in tool →

#3a7abb · #7a3abb

#3abb7a · #3a3abb · #bb3a7a

Contrast

#bbbb3a as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #797925 as the text (4.59:1)
  • AAA: use #5a5a1c as the text (7.21:1)
  • AA: or shift the background to #474747 (4.55:1)
  • AAA: or shift the background to #292929 (7.12:1)
Aaon black
10.28:1passpasspassPasses 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 #bbbb3a 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 #bbbb3a
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 #bbbb3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbbb3a-bbbea2-4e94df-272d1f-f1ede9?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