Color

#c3cd37

#c3cd37
hex#c3cd37
rgbrgb(195, 205, 55)
hslhsl(64, 60%, 51%)
oklchoklch(0.815 0.165 113.4)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5554

Colors that go with #c3cd37

Charcoal, Cornflower Blue and Deep Sky 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 →

#4137cd

#cd8c37 · #78cd37

#37c3cd · #cd37c3

Split-complementary

Open in tool →

#3778cd · #8c37cd

#37cd8c · #4137cd · #cd3778

Contrast

#c3cd37 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #747a1f as the text (4.62:1)
  • AAA: use #555a16 as the text (7.34:1)
  • AA: or shift the background to #525252 (4.51:1)
  • AAA: or shift the background to #333333 (7.28:1)
Aaon black
12.11:1passpasspassPasses 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 #c3cd37 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 #c3cd37
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 #c3cd37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3cd37-b9bea2-4e8adf-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