Color

#87ff42

#87ff42
hex#87ff42
rgbrgb(135, 255, 66)
hslhsl(98, 100%, 63%)
oklchoklch(0.896 0.243 136.8)
Closest name: Acid Green (#8ffe09)Relative luminance 0.7706

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba42ff

#e6ff42 · #42ff5b

#4287ff · #ff4287

Split-complementary

Open in tool →

#5b42ff · #ff42e6

#42e6ff · #ba42ff · #ff5b42

Contrast

#87ff42 as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #318500 as the text (4.68:1)
  • AAA: use #256600 as the text (7.05:1)
  • AA: or shift the background to #636363 (4.7:1)
  • AAA: or shift the background to #474747 (7.26:1)
Aaon black
16.41:1passpasspassPasses 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 #87ff42 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 #87ff42
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 #87ff42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/87ff42-a9bea2-644edf-1f2d20-f0f1e9?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