Color

#bfbf40

#bfbf40
hex#bfbf40
rgbrgb(191, 191, 64)
hslhsl(60, 50%, 50%)
oklchoklch(0.781 0.146 109.3)
Closest name: Celery (#b4c04c)Relative luminance 0.4871

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4040bf

#bf8040 · #80bf40

#40bfbf · #bf40bf

Split-complementary

Open in tool →

#4080bf · #8040bf

#40bf80 · #4040bf · #bf4080

Contrast

#bfbf40 as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #7a7a29 as the text (4.52:1)
  • AAA: use #58581d as the text (7.42:1)
  • AA: or shift the background to #4a4a4a (4.53:1)
  • AAA: or shift the background to #2b2b2b (7.24:1)
Aaon black
10.74:1passpasspassPasses 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 #bfbf40 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 #bfbf40
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 #bfbf40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bfbf40-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