Color

#bcb310

#bcb310
hex#bcb310
rgbrgb(188, 179, 16)
hslhsl(57, 84%, 40%)
oklchoklch(0.75 0.157 105.9)
Closest name: Celery (#b4c04c)Relative luminance 0.4297

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1019bc

#bc5d10 · #6fbc10

#10bcb3 · #b310bc

Split-complementary

Open in tool →

#106fbc · #5d10bc

#10bc5d · #1019bc · #bc106f

Contrast

#bcb310 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #7f790b as the text (4.52:1)
  • AAA: use #5e5a08 as the text (7.14:1)
  • AA: or shift the background to #424242 (4.59:1)
  • AAA: or shift the background to #242424 (7.09:1)
Aaon black
9.59:1passpasspassPasses 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 #bcb310 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

#bcb310 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bcb310
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 #bcb310 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcb310-bcbea2-4e9bdf-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