Color

#f5f820

#f5f820
hex#f5f820
rgbrgb(245, 248, 32)
hslhsl(61, 94%, 55%)
oklchoklch(0.946 0.202 110.6)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8665

Colors that go with #f5f820

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 →

#2420f8

#f89020 · #89f820

#20f5f8 · #f820f5

Split-complementary

Open in tool →

#2089f8 · #9020f8

#20f890 · #2420f8 · #f82089

Contrast

#f5f820 as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #757704 as the text (4.78:1)
  • AAA: use #585903 as the text (7.38:1)
  • AA: or shift the background to #6b6b6b (4.65:1)
  • AAA: or shift the background to #4f4f4f (7.15:1)
Aaon black
18.33:1passpasspassPasses 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 #f5f820 as the background.

Brands using this color

mcpConnect your agent — build around #f5f820
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 #f5f820 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f5f820-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