Color

#b5d709

#b5d709
hex#b5d709
rgbrgb(181, 215, 9)
hslhsl(70, 92%, 44%)
oklchoklch(0.825 0.196 120.6)
Closest name: Conifer (#b1dd52)Relative luminance 0.5844

Colors that go with #b5d709

Deep Sky Blue, Blue and Cornflower 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 →

#2b09d7

#d79309 · #4ed709

#09b5d7 · #d709b5

Split-complementary

Open in tool →

#094ed7 · #9309d7

#09d793 · #2b09d7 · #d7094e

Contrast

#b5d709 as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #6b7f05 as the text (4.5:1)
  • AAA: use #4e5d04 as the text (7.26:1)
  • AA: or shift the background to #545454 (4.58:1)
  • AAA: or shift the background to #383838 (7.09:1)
Aaon black
12.69:1passpasspassPasses 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 #b5d709 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 #b5d709
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 #b5d709 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5d709-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