Color

#bcb601

#bcb601
hex#bcb601
rgbrgb(188, 182, 1)
hslhsl(58, 99%, 37%)
oklchoklch(0.757 0.162 107.3)
Closest name: Celery (#b4c04c)Relative luminance 0.4415

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0107bc

#bc5801 · #65bc01

#01bcb6 · #b601bc

Split-complementary

Open in tool →

#0165bc · #5801bc

#01bc58 · #0107bc · #bc0165

Contrast

#bcb601 as textRatioAAAA largeAAAFix
Aaon white
2.14:1failfailfail
  • AA: use #7a7601 as the text (4.75:1)
  • AAA: use #5b5800 as the text (7.39:1)
  • AA: or shift the background to #424242 (4.7:1)
  • AAA: or shift the background to #262626 (7.08:1)
Aaon black
9.83:1passpasspassPasses 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 #bcb601 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

#bcb601 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bcb601
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 #bcb601 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcb601-bcbea2-4e99df-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