Color

#ffcc00

#ffcc00
hex#ffcc00
rgbrgb(255, 204, 0)
hslhsl(48, 100%, 50%)
oklchoklch(0.865 0.177 90.4)
Closest name: gold (#ffd700)Relative luminance 0.6445

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0033ff

#ff4d00 · #b3ff00

#00ffcc · #cc00ff

Split-complementary

Open in tool →

#00b3ff · #4c00ff

#00ff4c · #0033ff · #ff00b3

Contrast

#ffcc00 as textRatioAAAA largeAAAFix
Aaon white
1.51:1failfailfail
  • AA: use #8f7200 as the text (4.59:1)
  • AAA: use #6b5600 as the text (7.1:1)
  • AA: or shift the background to #595959 (4.63:1)
  • AAA: or shift the background to #3d3d3d (7.18:1)
Aaon black
13.89:1passpasspassPasses 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 #ffcc00 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffcc00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffcc00
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 #ffcc00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffcc00-c4c09c-62aacb-2a2d1f-f1ece9?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