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

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 — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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