Color

#bbb20c

#bbb20c
hex#bbb20c
rgbrgb(187, 178, 12)
hslhsl(57, 88%, 39%)
oklchoklch(0.747 0.157 105.9)
Closest name: Celery (#b4c04c)Relative luminance 0.4243

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c15bb

#bb5b0c · #6cbb0c

#0cbbb2 · #b20cbb

Split-complementary

Open in tool →

#0c6cbb · #5b0cbb

#0cbb5b · #0c15bb · #bb0c6c

Contrast

#bbb20c as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #7d7708 as the text (4.65:1)
  • AAA: use #605b06 as the text (7.01:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.49:1passpasspassPasses 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 #bbb20c 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

#bbb20c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bbb20c
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 #bbb20c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbb20c-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