Color

#b7c51b

#b7c51b
hex#b7c51b
rgbrgb(183, 197, 27)
hslhsl(65, 76%, 44%)
oklchoklch(0.786 0.172 114.9)
Closest name: Celery (#b4c04c)Relative luminance 0.5008

Colors that go with #b7c51b

Cornflower Blue, Deep Sky Blue and Charcoal 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 →

#291bc5

#c57e1b · #62c51b

#1bb7c5 · #c51bb7

Split-complementary

Open in tool →

#1b62c5 · #7e1bc5

#1bc57e · #291bc5 · #c51b62

Contrast

#b7c51b as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #707911 as the text (4.74:1)
  • AAA: use #535a0c as the text (7.41:1)
  • AA: or shift the background to #4a4a4a (4.65:1)
  • AAA: or shift the background to #2e2e2e (7.12:1)
Aaon black
11.02:1passpasspassPasses 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 #b7c51b 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 #b7c51b
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 #b7c51b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b7c51b-b8bea2-4e88df-262d1f-f1eee9?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