Color

#fdf24e

#fdf24e
hex#fdf24e
rgbrgb(253, 242, 78)
hslhsl(56, 98%, 65%)
oklchoklch(0.942 0.176 105.5)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8494

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e5afd

#fd9a4e · #b1fd4e

#4efdf2 · #f24efd

Split-complementary

Open in tool →

#4eb1fd · #9a4efd

#4efd9a · #4e5afd · #fd4eb1

Contrast

#fdf24e as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #7e7601 as the text (4.69:1)
  • AAA: use #605a01 as the text (7.09:1)
  • AA: or shift the background to #6b6b6b (4.56:1)
  • AAA: or shift the background to #4f4f4f (7.02:1)
Aaon black
17.99:1passpasspassPasses 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 #fdf24e 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

#fdf24e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fdf24e
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 #fdf24e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fdf24e-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