Color

#81ff75

#81ff75
hex#81ff75
rgbrgb(129, 255, 117)
hslhsl(115, 100%, 73%)
oklchoklch(0.898 0.211 142)
Closest name: Light Green (#76ff7b)Relative luminance 0.7747

Colors that go with #81ff75

Violet, Deep Sky Blue and Charcoal 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 →

#f475ff

#c6ff75 · #75ffaf

#7581ff · #ff7581

Split-complementary

Open in tool →

#af75ff · #ff75c6

#75c6ff · #f475ff · #ffaf75

Contrast

#81ff75 as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #0b8a00 as the text (4.52:1)
  • AAA: use #086600 as the text (7.21:1)
  • AA: or shift the background to #666666 (4.51:1)
  • AAA: or shift the background to #474747 (7.3:1)
Aaon black
16.49:1passpasspassPasses 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 #81ff75 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#81ff75 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81ff75
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 #81ff75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81ff75-a2bea3-8d4edf-1f2d24-eef1e9?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