Color

#c2d309

#c2d309
hex#c2d309
rgbrgb(194, 211, 9)
hslhsl(65, 92%, 43%)
oklchoklch(0.826 0.187 115.5)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.5808

Colors that go with #c2d309

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 →

#1a09d3

#d37e09 · #5dd309

#09c2d3 · #d309c2

Split-complementary

Open in tool →

#095dd3 · #7e09d3

#09d37e · #1a09d3 · #d3095d

Contrast

#c2d309 as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #717a05 as the text (4.68:1)
  • AAA: use #565d04 as the text (7.09:1)
  • AA: or shift the background to #545454 (4.55:1)
  • AAA: or shift the background to #383838 (7.04:1)
Aaon black
12.62:1passpasspassPasses 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 #c2d309 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 #c2d309
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 #c2d309 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c2d309-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