Color

#bbd643

#bbd643
hex#bbd643
rgbrgb(187, 214, 67)
hslhsl(71, 64%, 55%)
oklchoklch(0.829 0.17 119.3)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5906

Colors that go with #bbd643

Charcoal, Deep Sky Blue and Plum 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 →

#5e43d6

#d6a743 · #71d643

#43bbd6 · #d643bb

Split-complementary

Open in tool →

#4371d6 · #a743d6

#43d6a7 · #5e43d6 · #d64371

Contrast

#bbd643 as textRatioAAAA largeAAAFix
Aaon white
1.64:1failfailfail
  • AA: use #6c7d1c as the text (4.58:1)
  • AAA: use #4f5c14 as the text (7.31:1)
  • AA: or shift the background to #545454 (4.62:1)
  • AAA: or shift the background to #383838 (7.15:1)
Aaon black
12.81:1passpasspassPasses 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 #bbd643 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 #bbd643
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 #bbd643 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbd643-b6bea2-4e7adf-252d1f-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