Color

#b4b418

#b4b418
hex#b4b418
rgbrgb(180, 180, 24)
hslhsl(60, 76%, 40%)
oklchoklch(0.746 0.158 109.7)
Closest name: Citrus (#9fb70a)Relative luminance 0.4241

Colors that go with #b4b418

Charcoal, Cornflower Blue 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 →

#1818b4

#b46618 · #66b418

#18b4b4 · #b418b4

Split-complementary

Open in tool →

#1866b4 · #6618b4

#18b466 · #1818b4 · #b41866

Contrast

#b4b418 as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #797911 as the text (4.61:1)
  • AAA: use #5a5a0c as the text (7.24:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses 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 #b4b418 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 #b4b418
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 #b4b418 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4b418-bbbea2-4e94df-272d1f-f1ede9?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