Color

#cdcd18

#cdcd18
hex#cdcd18
rgbrgb(205, 205, 24)
hslhsl(60, 79%, 45%)
oklchoklch(0.822 0.175 109.7)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.5671

Colors that go with #cdcd18

Charcoal, Deep Sky Blue and Lilac 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 →

#1818cd

#cd7318 · #73cd18

#18cdcd · #cd18cd

Split-complementary

Open in tool →

#1873cd · #7318cd

#18cd73 · #1818cd · #cd1873

Contrast

#cdcd18 as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #77770e as the text (4.74:1)
  • AAA: use #5b5b0b as the text (7.13:1)
  • AA: or shift the background to #525252 (4.59:1)
  • AAA: or shift the background to #363636 (7.1:1)
Aaon black
12.34:1passpasspassPasses 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 #cdcd18 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 #cdcd18
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 #cdcd18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdcd18-bbbea2-4e94df-272d1f-f1ede9?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