Color

#81efc1

#81efc1
hex#81efc1
rgbrgb(129, 239, 193)
hslhsl(155, 77%, 72%)
oklchoklch(0.874 0.122 164.6)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.7025

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef81ae

#81ef8a · #81e5ef

#c181ef · #efc181

Split-complementary

Open in tool →

#ef81e5 · #ef8a81

#8a81ef · #ef81ae · #e5ef81

Contrast

#81efc1 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #128756 as the text (4.54:1)
  • AAA: use #0d633f as the text (7.31:1)
  • AA: or shift the background to #5e5e5e (4.65:1)
  • AAA: or shift the background to #424242 (7.2:1)
Aaon black
15.05:1passpasspassPasses 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 #81efc1 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

#81efc1 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81efc1
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 #81efc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81efc1-a2beb6-d459c8-1f2d2d-e9f1ea?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