Color

#bbbf40

#bbbf40
hex#bbbf40
rgbrgb(187, 191, 64)
hslhsl(62, 50%, 50%)
oklchoklch(0.778 0.146 111.1)
Closest name: Celery (#b4c04c)Relative luminance 0.482

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4440bf

#bf8440 · #7bbf40

#40bbbf · #bf40bb

Split-complementary

Open in tool →

#407bbf · #8440bf

#40bf84 · #4440bf · #bf407b

Contrast

#bbbf40 as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #787a29 as the text (4.55:1)
  • AAA: use #5a5c1f as the text (7.03:1)
  • AA: or shift the background to #474747 (4.71:1)
  • AAA: or shift the background to #2b2b2b (7.17:1)
Aaon black
10.64:1passpasspassPasses 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 #bbbf40 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 #bbbf40
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 #bbbf40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbbf40-babea2-4e8fdf-272d1f-f1eee9?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