Color

#87cf3a

#87cf3a
hex#87cf3a
rgbrgb(135, 207, 58)
hslhsl(89, 61%, 52%)
oklchoklch(0.779 0.191 132.1)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5008

Colors that go with #87cf3a

Blue, Deep Sky Blue and Taupe 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 →

#823acf

#cfcd3a · #3ccf3a

#3a87cf · #cf3a87

Split-complementary

Open in tool →

#3a3ccf · #cd3acf

#3acfcd · #823acf · #cf3a3c

Contrast

#87cf3a as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #538320 as the text (4.53:1)
  • AAA: use #3c5e17 as the text (7.49:1)
  • AA: or shift the background to #4a4a4a (4.65:1)
  • AAA: or shift the background to #2e2e2e (7.12:1)
Aaon black
11.02:1passpasspassPasses 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 #87cf3a 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 #87cf3a
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 #87cf3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/87cf3a-adbea2-4e4edf-212d1f-f1f1e9?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