Color

#b2f40b

#b2f40b
hex#b2f40b
rgbrgb(178, 244, 11)
hslhsl(77, 91%, 50%)
oklchoklch(0.89 0.228 126.9)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7419

Colors that go with #b2f40b

Red, Plum and Violet 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 →

#4d0bf4

#f4c10b · #3ef40b

#0bb2f4 · #f40bb2

Split-complementary

Open in tool →

#0b3ef4 · #c10bf4

#0bf4c1 · #4d0bf4 · #f40b3e

Contrast

#b2f40b as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #5c7f06 as the text (4.67:1)
  • AAA: use #476105 as the text (7.05:1)
  • AA: or shift the background to #636363 (4.53:1)
  • AAA: or shift the background to #474747 (7.01:1)
Aaon black
15.84:1passpasspassPasses 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 #b2f40b 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 #b2f40b
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 #b2f40b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b2f40b-b3bea2-4e6bdf-232d1f-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