Color

#f4f73b

#f4f73b
hex#f4f73b
rgbrgb(244, 247, 59)
hslhsl(61, 92%, 60%)
oklchoklch(0.944 0.192 110.5)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8607

Colors that go with #f4f73b

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 →

#3e3bf7

#f79c3b · #96f73b

#3bf4f7 · #f73bf4

Split-complementary

Open in tool →

#3b96f7 · #9c3bf7

#3bf79c · #3e3bf7 · #f73b96

Contrast

#f4f73b as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #787a05 as the text (4.58:1)
  • AAA: use #575804 as the text (7.49:1)
  • AA: or shift the background to #6b6b6b (4.62:1)
  • AAA: or shift the background to #4f4f4f (7.1:1)
Aaon black
18.21:1passpasspassPasses 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 #f4f73b as the background.

Brands using this color

mcpConnect your agent — build around #f4f73b
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 #f4f73b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f4f73b-babea2-4e92df-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