Color

#87ce40

#87ce40
hex#87ce40
rgbrgb(135, 206, 64)
hslhsl(90, 59%, 53%)
oklchoklch(0.777 0.186 132.4)
Closest name: yellowgreen (#9acd32)Relative luminance 0.4966

Colors that go with #87ce40

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 →

#8740ce

#cece40 · #40ce40

#4087ce · #ce4087

Split-complementary

Open in tool →

#4040ce · #ce40ce

#40cece · #8740ce · #ce4040

Contrast

#87ce40 as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #528221 as the text (4.59:1)
  • AAA: use #3d6119 as the text (7.19:1)
  • AA: or shift the background to #4a4a4a (4.61:1)
  • AAA: or shift the background to #2e2e2e (7.07:1)
Aaon black
10.93:1passpasspassPasses 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 #87ce40 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 #87ce40
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 #87ce40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/87ce40-adbea2-514edf-202d1f-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