Color

#cdcd51

#cdcd51
hex#cdcd51
rgbrgb(205, 205, 81)
hslhsl(60, 55%, 56%)
oklchoklch(0.825 0.145 109.2)
Closest name: Alligator Alley (#c5d17b)Relative luminance 0.5724

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5151cd

#cd8f51 · #8fcd51

#51cdcd · #cd51cd

Split-complementary

Open in tool →

#518fcd · #8f51cd

#51cd8f · #5151cd · #cd518f

Contrast

#cdcd51 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #777722 as the text (4.72:1)
  • AAA: use #5b5b1a as the text (7.1:1)
  • AA: or shift the background to #525252 (4.63:1)
  • AAA: or shift the background to #363636 (7.16:1)
Aaon black
12.45:1passpasspassPasses 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 #cdcd51 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 #cdcd51
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 #cdcd51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdcd51-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