Color

#87d91c

#87d91c
hex#87d91c
rgbrgb(135, 217, 28)
hslhsl(86, 77%, 48%)
oklchoklch(0.802 0.216 132)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5486

Colors that go with #87d91c

Deep Sky Blue, Taupe and Violet 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 →

#6e1cd9

#d9cc1c · #29d91c

#1c87d9 · #d91c87

Split-complementary

Open in tool →

#1c29d9 · #cc1cd9

#1cd9cc · #6e1cd9 · #d91c29

Contrast

#87d91c as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #528311 as the text (4.55:1)
  • AAA: use #3e630d as the text (7.01:1)
  • AA: or shift the background to #4f4f4f (4.67:1)
  • AAA: or shift the background to #333333 (7.2:1)
Aaon black
11.97:1passpasspassPasses 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 #87d91c 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 #87d91c
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 #87d91c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/87d91c-afbea2-4e56df-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