Color

#81de35

#81de35
hex#81de35
rgbrgb(129, 222, 53)
hslhsl(93, 72%, 54%)
oklchoklch(0.812 0.215 134.6)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5717

Colors that go with #81de35

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 →

#9235de

#d6de35 · #35de3e

#3581de · #de3581

Split-complementary

Open in tool →

#3e35de · #de35d6

#35d6de · #9235de · #de3e35

Contrast

#81de35 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #478415 as the text (4.59:1)
  • AAA: use #346010 as the text (7.43:1)
  • AA: or shift the background to #525252 (4.63:1)
  • AAA: or shift the background to #363636 (7.15:1)
Aaon black
12.43:1passpasspassPasses 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 #81de35 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 #81de35
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 #81de35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81de35-abbea2-584edf-202d1f-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