Color

#f3f613

#f3f613
hex#f3f613
rgbrgb(243, 246, 19)
hslhsl(61, 93%, 52%)
oklchoklch(0.94 0.204 110.7)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8501

Colors that go with #f3f613

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 →

#1713f6

#f68813 · #81f613

#13f3f6 · #f613f3

Split-complementary

Open in tool →

#1381f6 · #8813f6

#13f688 · #1713f6 · #f61381

Contrast

#f3f613 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #797b04 as the text (4.52:1)
  • AAA: use #575903 as the text (7.41:1)
  • AA: or shift the background to #6b6b6b (4.57:1)
  • AAA: or shift the background to #4f4f4f (7.02:1)
Aaon black
18:1passpasspassPasses 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 #f3f613 as the background.

Brands using this color

mcpConnect your agent — build around #f3f613
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 #f3f613 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f613-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