Color

#b1fd81

#b1fd81
hex#b1fd81
rgbrgb(177, 253, 129)
hslhsl(97, 97%, 75%)
oklchoklch(0.918 0.174 134.6)
Closest name: Mint to Be (#98ff97)Relative luminance 0.8118

Colors that go with #b1fd81

Violet, Deep Sky Blue and Gold 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 →

#ce81fd

#effd81 · #81fd90

#81b1fd · #fd81b1

Split-complementary

Open in tool →

#9081fd · #fd81ef

#81effd · #ce81fd · #fd9081

Contrast

#b1fd81 as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #338302 as the text (4.79:1)
  • AAA: use #276402 as the text (7.22:1)
  • AA: or shift the background to #696969 (4.51:1)
  • AAA: or shift the background to #4a4a4a (7.27:1)
Aaon black
17.24:1passpasspassPasses 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 #b1fd81 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

#b1fd81 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1fd81
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 #b1fd81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1fd81-a9bea2-624edf-1f2d20-f0f1e9?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