Color

#b9df30

#b9df30
hex#b9df30
rgbrgb(185, 223, 48)
hslhsl(73, 73%, 53%)
oklchoklch(0.847 0.192 121.8)
Closest name: Conifer (#b1dd52)Relative luminance 0.633

Colors that go with #b9df30

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 →

#5630df

#dfad30 · #61df30

#30b9df · #df30b9

Split-complementary

Open in tool →

#3061df · #ad30df

#30dfad · #5630df · #df3061

Contrast

#b9df30 as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #657c13 as the text (4.72:1)
  • AAA: use #4c5d0e as the text (7.29:1)
  • AA: or shift the background to #595959 (4.56:1)
  • AAA: or shift the background to #3d3d3d (7.07:1)
Aaon black
13.66:1passpasspassPasses 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 #b9df30 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 #b9df30
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 #b9df30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9df30-b5bea2-4e75df-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