Color

#f4f015

#f4f015
hex#f4f015
rgbrgb(244, 240, 21)
hslhsl(59, 91%, 52%)
oklchoklch(0.928 0.198 108.5)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8161

Colors that go with #f4f015

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 →

#1519f4

#f48115 · #88f415

#15f4f0 · #f015f4

Split-complementary

Open in tool →

#1588f4 · #8115f4

#15f481 · #1519f4 · #f41588

Contrast

#f4f015 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #7a7806 as the text (4.65:1)
  • AAA: use #5d5b04 as the text (7.09:1)
  • AA: or shift the background to #696969 (4.53:1)
  • AAA: or shift the background to #4a4a4a (7.31:1)
Aaon black
17.32:1passpasspassPasses 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 #f4f015 as the background.

Brands using this color

Fonts for this mood

#f4f015 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f4f015
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 #f4f015 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f4f015-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