Color

#f3f149

#f3f149
hex#f3f149
rgbrgb(243, 241, 73)
hslhsl(59, 88%, 62%)
oklchoklch(0.931 0.179 108.7)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8245

Colors that go with #f3f149

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 →

#494cf3

#f39b49 · #a1f349

#49f3f1 · #f149f3

Split-complementary

Open in tool →

#49a1f3 · #9b49f3

#49f39b · #494cf3 · #f349a1

Contrast

#f3f149 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #787608 as the text (4.78:1)
  • AAA: use #5b5a06 as the text (7.22:1)
  • AA: or shift the background to #696969 (4.57:1)
  • AAA: or shift the background to #4d4d4d (7.04:1)
Aaon black
17.49:1passpasspassPasses 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 #f3f149 as the background.

Brands using this color

Fonts for this mood

#f3f149 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3f149
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 #f3f149 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f149-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