Color

#81da81

#81da81
hex#81da81
rgbrgb(129, 218, 129)
hslhsl(120, 55%, 68%)
oklchoklch(0.811 0.15 144)
Closest name: Fluorescence (#89d178)Relative luminance 0.5639

Colors that go with #81da81

Plum, 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 →

#da81da

#adda81 · #81daad

#8181da · #da8181

Split-complementary

Open in tool →

#ad81da · #da81ad

#81adda · #da81da · #daad81

Contrast

#81da81 as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #278627 as the text (4.64:1)
  • AAA: use #1d631d as the text (7.36:1)
  • AA: or shift the background to #525252 (4.57:1)
  • AAA: or shift the background to #363636 (7.07:1)
Aaon black
12.28:1passpasspassPasses 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 #81da81 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 #81da81
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 #81da81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81da81-a2bea5-994edf-1f2d25-edf1e9?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