Color

#bfbf1d

#bfbf1d
hex#bfbf1d
rgbrgb(191, 191, 29)
hslhsl(60, 74%, 43%)
oklchoklch(0.78 0.164 109.7)
Closest name: Celery (#b4c04c)Relative luminance 0.4843

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d1dbf

#bf6e1d · #6ebf1d

#1dbfbf · #bf1dbf

Split-complementary

Open in tool →

#1d6ebf · #6e1dbf

#1dbf6e · #1d1dbf · #bf1d6e

Contrast

#bfbf1d as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #787812 as the text (4.67:1)
  • AAA: use #59590d as the text (7.34:1)
  • AA: or shift the background to #4a4a4a (4.51:1)
  • AAA: or shift the background to #2b2b2b (7.2:1)
Aaon black
10.69:1passpasspassPasses 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 #bfbf1d 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 #bfbf1d
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 #bfbf1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bfbf1d-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