Color

#c5cb15

#c5cb15
hex#c5cb15
rgbrgb(197, 203, 21)
hslhsl(62, 81%, 44%)
oklchoklch(0.811 0.176 111.9)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5464

Colors that go with #c5cb15

Charcoal, Deep Sky 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 →

#1b15cb

#cb7615 · #6acb15

#15c5cb · #cb15c5

Split-complementary

Open in tool →

#156acb · #7615cb

#15cb76 · #1b15cb · #cb156a

Contrast

#c5cb15 as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #74780d as the text (4.74:1)
  • AAA: use #5a5c0a as the text (7.07:1)
  • AA: or shift the background to #4f4f4f (4.65:1)
  • AAA: or shift the background to #333333 (7.18:1)
Aaon black
11.93:1passpasspassPasses 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 #c5cb15 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 #c5cb15
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 #c5cb15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c5cb15-babea2-4e8fdf-272d1f-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