Color

#bfb203

#bfb203
hex#bfb203
rgbrgb(191, 178, 3)
hslhsl(56, 97%, 38%)
oklchoklch(0.751 0.158 104.3)
Closest name: Celery (#b4c04c)Relative luminance 0.4292

Tints & shades

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

Harmonies

Complementary

Open in tool →

#030fbf

#bf5403 · #6dbf03

#03bfb2 · #b203bf

Split-complementary

Open in tool →

#036dbf · #5403bf

#03bf54 · #030fbf · #bf036d

Contrast

#bfb203 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #7e7502 as the text (4.74:1)
  • AAA: use #5f5901 as the text (7.2:1)
  • AA: or shift the background to #424242 (4.59:1)
  • AAA: or shift the background to #242424 (7.08:1)
Aaon black
9.58:1passpasspassPasses 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 #bfb203 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#bfb203 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bfb203
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 #bfb203 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bfb203-bdbea2-4e9edf-282d1f-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