Color

#b4db1a

#b4db1a
hex#b4db1a
rgbrgb(180, 219, 26)
hslhsl(72, 79%, 48%)
oklchoklch(0.834 0.197 121.9)
Closest name: Conifer (#b1dd52)Relative luminance 0.6044

Colors that go with #b4db1a

Deep Sky Blue, Blue and Crimson 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 →

#401adb

#dba11a · #54db1a

#1ab4db · #db1ab4

Split-complementary

Open in tool →

#1a54db · #a11adb

#1adba1 · #401adb · #db1a54

Contrast

#b4db1a as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #657b0e as the text (4.78:1)
  • AAA: use #4b5b0b as the text (7.5:1)
  • AA: or shift the background to #575757 (4.5:1)
  • AAA: or shift the background to #383838 (7.31:1)
Aaon black
13.09:1passpasspassPasses 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 #b4db1a 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 #b4db1a
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 #b4db1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4db1a-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