Color

#b1db57

#b1db57
hex#b1db57
rgbrgb(177, 219, 87)
hslhsl(79, 65%, 60%)
oklchoklch(0.835 0.166 124.8)
Closest name: Badass Grass (#b4da55)Relative luminance 0.607

Colors that go with #b1db57

Charcoal, Deep Sky Blue and Plum 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 →

#8157db

#dbc357 · #6fdb57

#57b1db · #db57b1

Split-complementary

Open in tool →

#576fdb · #c357db

#57dbc3 · #8157db · #db576f

Contrast

#b1db57 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #5f7e1b as the text (4.68:1)
  • AAA: use #455d14 as the text (7.42:1)
  • AA: or shift the background to #575757 (4.52:1)
  • AAA: or shift the background to #3b3b3b (7.01:1)
Aaon black
13.14:1passpasspassPasses 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 #b1db57 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 #b1db57
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 #b1db57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1db57-b2bea2-4e66df-232d1f-f1f0e9?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