Color

#b1c313

#b1c313
hex#b1c313
rgbrgb(177, 195, 19)
hslhsl(66, 82%, 42%)
oklchoklch(0.777 0.175 116.3)
Closest name: Aromatic Herbs (#98c945)Relative luminance 0.4842

Colors that go with #b1c313

Cornflower Blue, Crimson and Dark Orange 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 →

#2513c3

#c37d13 · #5ac313

#13b1c3 · #c313b1

Split-complementary

Open in tool →

#135ac3 · #7d13c3

#13c37d · #2513c3 · #c3135a

Contrast

#b1c313 as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #727d0c as the text (4.51:1)
  • AAA: use #545d09 as the text (7.13:1)
  • AA: or shift the background to #4a4a4a (4.51:1)
  • AAA: or shift the background to #2b2b2b (7.2:1)
Aaon black
10.68:1passpasspassPasses 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 #b1c313 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 #b1c313
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 #b1c313 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1c313-b8bea2-4e86df-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