Color

#bdff42

#bdff42
hex#bdff42
rgbrgb(189, 255, 66)
hslhsl(81, 100%, 63%)
oklchoklch(0.923 0.217 127.4)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.8273

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8442ff

#ffe342 · #5fff42

#42bdff · #ff42bd

Split-complementary

Open in tool →

#425fff · #e342ff

#42ffe3 · #8442ff · #ff425f

Contrast

#bdff42 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #538000 as the text (4.71:1)
  • AAA: use #3f6100 as the text (7.19:1)
  • AA: or shift the background to #696969 (4.59:1)
  • AAA: or shift the background to #4d4d4d (7.06:1)
Aaon black
17.55:1passpasspassPasses 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 #bdff42 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 #bdff42
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 #bdff42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bdff42-b1bea2-4e62df-222d1f-f1f0e9?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