Color

#bbd440

#bbd440
hex#bbd440
rgbrgb(187, 212, 64)
hslhsl(70, 63%, 54%)
oklchoklch(0.825 0.17 118.7)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5802

Colors that go with #bbd440

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 →

#5840d4

#d4a240 · #71d440

#40bbd4 · #d440bb

Split-complementary

Open in tool →

#4071d4 · #a240d4

#40d4a2 · #5840d4 · #d44071

Contrast

#bbd440 as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #6d7d1c as the text (4.56:1)
  • AAA: use #505b15 as the text (7.37:1)
  • AA: or shift the background to #545454 (4.55:1)
  • AAA: or shift the background to #383838 (7.04:1)
Aaon black
12.6:1passpasspassPasses 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 #bbd440 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 #bbd440
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 #bbd440 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbd440-b6bea2-4e7cdf-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