Color

#cfd515

#cfd515
hex#cfd515
rgbrgb(207, 213, 21)
hslhsl(62, 82%, 46%)
oklchoklch(0.84 0.183 111.8)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6091

Colors that go with #cfd515

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.

Real palettes that use #cfd515

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1c15d5

#d57c15 · #6fd515

#15cfd5 · #d515cf

Split-complementary

Open in tool →

#156fd5 · #7c15d5

#15d57c · #1c15d5 · #d5156f

Contrast

#cfd515 as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #75790c as the text (4.67:1)
  • AAA: use #565809 as the text (7.51:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.03:1)
Aaon black
13.18:1passpasspassPasses 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 #cfd515 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 #cfd515
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 #cfd515 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cfd515-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