Color

#bfd30d

#bfd30d
hex#bfd30d
rgbrgb(191, 211, 13)
hslhsl(66, 88%, 44%)
oklchoklch(0.823 0.187 116.5)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5769

Tints & shades

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

Harmonies

Complementary

Open in tool →

#210dd3

#d3840d · #5cd30d

#0dbfd3 · #d30dbf

Split-complementary

Open in tool →

#0d5cd3 · #840dd3

#0dd384 · #210dd3 · #d30d5c

Contrast

#bfd30d as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #717d08 as the text (4.53:1)
  • AAA: use #535b06 as the text (7.33:1)
  • AA: or shift the background to #545454 (4.52:1)
  • AAA: or shift the background to #383838 (7:1)
Aaon black
12.54:1passpasspassPasses 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 #bfd30d 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 #bfd30d
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 #bfd30d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bfd30d-b8bea2-4e86df-262d1f-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