Color

#f1f13b

#f1f13b
hex#f1f13b
rgbrgb(241, 241, 59)
hslhsl(60, 87%, 59%)
oklchoklch(0.929 0.187 109.6)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8193

Colors that go with #f1f13b

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 →

#3b3bf1

#f1963b · #96f13b

#3bf1f1 · #f13bf1

Split-complementary

Open in tool →

#3b96f1 · #963bf1

#3bf196 · #3b3bf1 · #f13b96

Contrast

#f1f13b as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #777708 as the text (4.74:1)
  • AAA: use #5b5b06 as the text (7.13:1)
  • AA: or shift the background to #696969 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.34:1)
Aaon black
17.39:1passpasspassPasses 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 #f1f13b as the background.

Brands using this color

mcpConnect your agent — build around #f1f13b
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 #f1f13b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f1f13b-bbbea2-4e94df-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