Color

#ffdf0f

#ffdf0f
hex#ffdf0f
rgbrgb(255, 223, 15)
hslhsl(52, 100%, 53%)
oklchoklch(0.903 0.185 98.5)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7407

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f2fff

#ff670f · #a7ff0f

#0fffdf · #df0fff

Split-complementary

Open in tool →

#0fa7ff · #670fff

#0fff67 · #0f2fff · #ff0fa7

Contrast

#ffdf0f as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #857300 as the text (4.72:1)
  • AAA: use #665800 as the text (7.09:1)
  • AA: or shift the background to #636363 (4.52:1)
  • AAA: or shift the background to #454545 (7.22:1)
Aaon black
15.81:1passpasspassPasses 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 #ffdf0f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffdf0f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffdf0f
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 #ffdf0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffdf0f-c4c39c-4ea7df-292d1f-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