Color

#81cfa3

#81cfa3
hex#81cfa3
rgbrgb(129, 207, 163)
hslhsl(146, 45%, 66%)
oklchoklch(0.792 0.1 158.3)
Closest name: Crystal Gem (#79d0a7)Relative luminance 0.5194

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf81ae

#86cf81 · #81cfca

#a381cf · #cfa381

Split-complementary

Open in tool →

#ca81cf · #cf8186

#8186cf · #cf81ae · #cfca81

Contrast

#81cfa3 as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #328556 as the text (4.54:1)
  • AAA: use #266441 as the text (7.04:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.16:1)
Aaon black
11.39:1passpasspassPasses 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 #81cfa3 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 #81cfa3
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 #81cfa3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81cfa3-a2beb1-ce59d4-1f2d2b-eaf1e9?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