Color

#b2bf03

#b2bf03
hex#b2bf03
rgbrgb(178, 191, 3)
hslhsl(64, 97%, 38%)
oklchoklch(0.768 0.173 114.6)
Closest name: Celery (#b4c04c)Relative luminance 0.4673

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f03bf

#bf6d03 · #54bf03

#03b2bf · #bf03b2

Split-complementary

Open in tool →

#0354bf · #6d03bf

#03bf6d · #0f03bf · #bf0354

Contrast

#b2bf03 as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #717902 as the text (4.73:1)
  • AAA: use #545a01 as the text (7.39:1)
  • AA: or shift the background to #474747 (4.58:1)
  • AAA: or shift the background to #292929 (7.17:1)
Aaon black
10.35:1passpasspassPasses 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 #b2bf03 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 #b2bf03
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b2bf03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b2bf03-b9bea2-4e8adf-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