Color

#fcf831

#fcf831
hex#fcf831
rgbrgb(252, 248, 49)
hslhsl(59, 97%, 59%)
oklchoklch(0.952 0.196 108.4)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8805

Colors that go with #fcf831

Lilac, Blue and Charcoal 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 →

#3134fc

#fc9331 · #9afc31

#31fcf8 · #f831fc

Split-complementary

Open in tool →

#319afc · #9331fc

#31fc93 · #3134fc · #fc319a

Contrast

#fcf831 as textRatioAAAA largeAAAFix
Aaon white
1.13:1failfailfail
  • AA: use #797702 as the text (4.72:1)
  • AAA: use #5a5901 as the text (7.33:1)
  • AA: or shift the background to #6e6e6e (4.52:1)
  • AAA: or shift the background to #4f4f4f (7.26:1)
Aaon black
18.61:1passpasspassPasses 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 #fcf831 as the background.

Brands using this color

Fonts for this mood

#fcf831 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fcf831
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 #fcf831 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcf831-bbbea2-4e96df-272d1f-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