Color

#b2f231

#b2f231
hex#b2f231
rgbrgb(178, 242, 49)
hslhsl(80, 88%, 57%)
oklchoklch(0.886 0.216 127.3)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7319

Colors that go with #b2f231

Plum, Violet and Blue 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 →

#7131f2

#f2d231 · #51f231

#31b2f2 · #f231b2

Split-complementary

Open in tool →

#3151f2 · #d231f2

#31f2d2 · #7131f2 · #f23151

Contrast

#b2f231 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #598108 as the text (4.6:1)
  • AAA: use #426006 as the text (7.22:1)
  • AA: or shift the background to #616161 (4.61:1)
  • AAA: or shift the background to #454545 (7.14:1)
Aaon black
15.64:1passpasspassPasses 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 #b2f231 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 #b2f231
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 #b2f231 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b2f231-b1bea2-4e64df-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