Color

#81efa5

#81efa5
hex#81efa5
rgbrgb(129, 239, 165)
hslhsl(140, 77%, 72%)
oklchoklch(0.868 0.146 152.9)
Closest name: lightgreen (#90ee90)Relative luminance 0.6912

Colors that go with #81efa5

Charcoal, 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 →

#ef81ca

#93ef81 · #81efdc

#a581ef · #efa581

Split-complementary

Open in tool →

#dc81ef · #ef8193

#8193ef · #ef81ca · #efdc81

Contrast

#81efa5 as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #128739 as the text (4.61:1)
  • AAA: use #0d632a as the text (7.41:1)
  • AA: or shift the background to #5e5e5e (4.58:1)
  • AAA: or shift the background to #424242 (7.09:1)
Aaon black
14.82:1passpasspassPasses 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 #81efa5 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

#81efa5 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81efa5
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 #81efa5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81efa5-a2beaf-c259d4-1f2d2a-ebf1e9?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