Color

#b3bf40

#b3bf40
hex#b3bf40
rgbrgb(179, 191, 64)
hslhsl(66, 50%, 50%)
oklchoklch(0.772 0.149 114.5)
Closest name: Celery (#b4c04c)Relative luminance 0.4722

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c40bf

#bf8c40 · #73bf40

#40b3bf · #bf40b3

Split-complementary

Open in tool →

#4073bf · #8c40bf

#40bf8c · #4c40bf · #bf4073

Contrast

#b3bf40 as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #727a29 as the text (4.63:1)
  • AAA: use #565c1f as the text (7.13:1)
  • AA: or shift the background to #474747 (4.62:1)
  • AAA: or shift the background to #2b2b2b (7.04:1)
Aaon black
10.44:1passpasspassPasses 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 #b3bf40 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 #b3bf40
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 #b3bf40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3bf40-b8bea2-4e86df-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