Color

#87f631

#87f631
hex#87f631
rgbrgb(135, 246, 49)
hslhsl(94, 92%, 58%)
oklchoklch(0.873 0.241 135.4)
Closest name: lawngreen (#7cfc00)Relative luminance 0.7128

Colors that go with #87f631

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 →

#a131f6

#e9f631 · #31f63f

#3187f6 · #f63187

Split-complementary

Open in tool →

#3f31f6 · #f631e9

#31e9f6 · #a131f6 · #f63f31

Contrast

#87f631 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #3c8406 as the text (4.67:1)
  • AAA: use #2d6204 as the text (7.34:1)
  • AA: or shift the background to #5e5e5e (4.71:1)
  • AAA: or shift the background to #424242 (7.3:1)
Aaon black
15.26:1passpasspassPasses 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 #87f631 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 #87f631
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 #87f631 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/87f631-abbea2-5a4edf-1f2d1f-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