Color

#81e45e

#81e45e
hex#81e45e
rgbrgb(129, 228, 94)
hslhsl(104, 71%, 63%)
oklchoklch(0.83 0.195 138.4)
Closest name: Herbivore (#88ee77)Relative luminance 0.6096

Colors that go with #81e45e

Deep Sky Blue, Royal Blue and Taupe 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 →

#c05ee4

#c4e45e · #5ee47d

#5e81e4 · #e45e81

Split-complementary

Open in tool →

#7d5ee4 · #e45ec4

#5ec4e4 · #c05ee4 · #e47d5e

Contrast

#81e45e as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #358717 as the text (4.54:1)
  • AAA: use #276411 as the text (7.2:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.04:1)
Aaon black
13.19:1passpasspassPasses 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 #81e45e 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 #81e45e
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 #81e45e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81e45e-a6bea2-724edf-1f2d22-eff1e9?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