Color

#fff047

#fff047
hex#fff047
rgbrgb(255, 240, 71)
hslhsl(55, 100%, 64%)
oklchoklch(0.939 0.178 104.2)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8404

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4757ff

#ff9447 · #b3ff47

#47fff0 · #f047ff

Split-complementary

Open in tool →

#47b3ff · #9447ff

#47ff94 · #4757ff · #ff47b2

Contrast

#fff047 as textRatioAAAA largeAAAFix
Aaon white
1.18:1failfailfail
  • AA: use #807500 as the text (4.71:1)
  • AAA: use #615900 as the text (7.15:1)
  • AA: or shift the background to #6b6b6b (4.52:1)
  • AAA: or shift the background to #4d4d4d (7.17:1)
Aaon black
17.81:1passpasspassPasses 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 #fff047 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#fff047 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fff047
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 #fff047 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fff047-bdbea2-4ea0df-282d1f-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