Color

#f9f458

#f9f458
hex#f9f458
rgbrgb(249, 244, 88)
hslhsl(58, 93%, 66%)
oklchoklch(0.944 0.172 107.5)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8555

Colors that go with #f9f458

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 →

#585df9

#f9a358 · #aef958

#58f9f4 · #f458f9

Split-complementary

Open in tool →

#58aef9 · #a358f9

#58f9a3 · #585df9 · #f958ae

Contrast

#f9f458 as textRatioAAAA largeAAAFix
Aaon white
1.16:1failfailfail
  • AA: use #7b7704 as the text (4.68:1)
  • AAA: use #5e5b03 as the text (7.06:1)
  • AA: or shift the background to #6b6b6b (4.6:1)
  • AAA: or shift the background to #4f4f4f (7.06:1)
Aaon black
18.11:1passpasspassPasses 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 #f9f458 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#f9f458 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f9f458
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 #f9f458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f9f458-bcbea2-4e99df-282d1f-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