Color

#fef843

#fef843
hex#fef843
rgbrgb(254, 248, 67)
hslhsl(58, 99%, 63%)
oklchoklch(0.955 0.187 107.5)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.8861

Colors that go with #fef843

Lilac, Charcoal and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4349fe

#fe9a43 · #a7fe43

#43fef8 · #f843fe

Split-complementary

Open in tool →

#43a7fe · #9a43fe

#43fe9a · #4349fe · #fe43a7

Contrast

#fef843 as textRatioAAAA largeAAAFix
Aaon white
1.12:1failfailfail
  • AA: use #7a7601 as the text (4.75:1)
  • AAA: use #5b5800 as the text (7.39:1)
  • AA: or shift the background to #6e6e6e (4.55:1)
  • AAA: or shift the background to #4f4f4f (7.3:1)
Aaon black
18.72:1passpasspassPasses 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 #fef843 as the background.

Brands using this color

Fonts for this mood

#fef843 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fef843
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #fef843 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fef843-bcbea2-4e99df-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