Color

#c8d309

#c8d309
hex#c8d309
rgbrgb(200, 211, 9)
hslhsl(63, 92%, 43%)
oklchoklch(0.83 0.185 113.5)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.5889

Colors that go with #c8d309

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 →

#1309d3

#d37809 · #64d309

#09c8d3 · #d309c8

Split-complementary

Open in tool →

#0964d3 · #7809d3

#09d378 · #1309d3 · #d30964

Contrast

#c8d309 as textRatioAAAA largeAAAFix
Aaon white
1.64:1failfailfail
  • AA: use #757a05 as the text (4.62:1)
  • AAA: use #595d04 as the text (7.02:1)
  • AA: or shift the background to #545454 (4.61:1)
  • AAA: or shift the background to #383838 (7.13:1)
Aaon black
12.78:1passpasspassPasses 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 #c8d309 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 #c8d309
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 #c8d309 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c8d309-b9bea2-4e8ddf-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