Color

#b3df30

#b3df30
hex#b3df30
rgbrgb(179, 223, 48)
hslhsl(75, 73%, 53%)
oklchoklch(0.843 0.194 123.5)
Closest name: Conifer (#b1dd52)Relative luminance 0.6257

Colors that go with #b3df30

Blue, Crimson and Deep Sky 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 →

#5b30df

#dfb330 · #5bdf30

#30b3df · #df30b3

Split-complementary

Open in tool →

#305bdf · #b330df

#30dfb3 · #5b30df · #df305b

Contrast

#b3df30 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #658014 as the text (4.52:1)
  • AAA: use #495d0e as the text (7.35:1)
  • AA: or shift the background to #595959 (4.51:1)
  • AAA: or shift the background to #3b3b3b (7.21:1)
Aaon black
13.51:1passpasspassPasses 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 #b3df30 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 #b3df30
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 #b3df30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3df30-b4bea2-4e70df-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