Color

#b7db51

#b7db51
hex#b7db51
rgbrgb(183, 219, 81)
hslhsl(76, 66%, 59%)
oklchoklch(0.839 0.168 122.5)
Closest name: Badass Grass (#b4da55)Relative luminance 0.6132

Colors that go with #b7db51

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 →

#7651db

#dbbb51 · #72db51

#51b7db · #db51b7

Split-complementary

Open in tool →

#5172db · #bb51db

#51dbbb · #7651db · #db5172

Contrast

#b7db51 as textRatioAAAA largeAAAFix
Aaon white
1.58:1failfailfail
  • AA: use #647f1a as the text (4.57:1)
  • AAA: use #495d13 as the text (7.35:1)
  • AA: or shift the background to #575757 (4.56:1)
  • AAA: or shift the background to #3b3b3b (7.08:1)
Aaon black
13.26:1passpasspassPasses 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 #b7db51 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 #b7db51
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 #b7db51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b7db51-b3bea2-4e6edf-232d1f-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