Color

#fff347

#fff347
hex#fff347
rgbrgb(255, 243, 71)
hslhsl(56, 100%, 64%)
oklchoklch(0.945 0.181 105.3)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8582

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4754ff

#ff9747 · #afff47

#47fff3 · #f347ff

Split-complementary

Open in tool →

#47afff · #9747ff

#47ff97 · #4754ff · #ff47af

Contrast

#fff347 as textRatioAAAA largeAAAFix
Aaon white
1.16:1failfailfail
  • AA: use #807700 as the text (4.61:1)
  • AAA: use #615a00 as the text (7.07:1)
  • AA: or shift the background to #6b6b6b (4.61:1)
  • AAA: or shift the background to #4f4f4f (7.08:1)
Aaon black
18.16:1passpasspassPasses 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 #fff347 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

#fff347 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fff347
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 #fff347 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fff347-bdbea2-4e9edf-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