Color

#87f542

#87f542
hex#87f542
rgbrgb(135, 245, 66)
hslhsl(97, 90%, 61%)
oklchoklch(0.871 0.232 136.1)
Closest name: lawngreen (#7cfc00)Relative luminance 0.7085

Colors that go with #87f542

Violet, Charcoal and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b042f5

#e0f542 · #42f557

#4287f5 · #f54287

Split-complementary

Open in tool →

#5742f5 · #f542e0

#42e0f5 · #b042f5 · #f55742

Contrast

#87f542 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #368307 as the text (4.77:1)
  • AAA: use #286105 as the text (7.49:1)
  • AA: or shift the background to #5e5e5e (4.68:1)
  • AAA: or shift the background to #424242 (7.26:1)
Aaon black
15.17:1passpasspassPasses 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 #87f542 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 #87f542
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #87f542 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/87f542-a9bea2-624edf-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