Color

#81fd8a

#81fd8a
hex#81fd8a
rgbrgb(129, 253, 138)
hslhsl(124, 97%, 75%)
oklchoklch(0.896 0.19 145.2)
Closest name: Light Green (#76ff7b)Relative luminance 0.7675

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fd81f5

#b7fd81 · #81fdc7

#8a81fd · #fd8a81

Split-complementary

Open in tool →

#c781fd · #fd81b7

#81b7fd · #fd81f5 · #fdc781

Contrast

#81fd8a as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #02880b as the text (4.64:1)
  • AAA: use #026408 as the text (7.42:1)
  • AA: or shift the background to #636363 (4.68:1)
  • AAA: or shift the background to #474747 (7.23:1)
Aaon black
16.35:1passpasspassPasses 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 #81fd8a 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

#81fd8a reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81fd8a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81fd8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81fd8a-a2bea7-a24edf-1f2d26-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