Color

#b2d42b

#b2d42b
hex#b2d42b
rgbrgb(178, 212, 43)
hslhsl(72, 66%, 50%)
oklchoklch(0.817 0.184 121.1)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5673

Colors that go with #b2d42b

Deep Sky Blue, Blue and Charcoal 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 →

#4d2bd4

#d4a12b · #5ed42b

#2bb2d4 · #d42bb2

Split-complementary

Open in tool →

#2b5ed4 · #a12bd4

#2bd4a1 · #4d2bd4 · #d42b5e

Contrast

#b2d42b as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #677b19 as the text (4.75:1)
  • AAA: use #4e5d13 as the text (7.24:1)
  • AA: or shift the background to #525252 (4.59:1)
  • AAA: or shift the background to #363636 (7.1:1)
Aaon black
12.35:1passpasspassPasses 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 #b2d42b 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 #b2d42b
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 #b2d42b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b2d42b-b5bea2-4e77df-242d1f-f1efe9?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