Color

#f9f658

#f9f658
hex#f9f658
rgbrgb(249, 246, 88)
hslhsl(59, 93%, 66%)
oklchoklch(0.948 0.174 108.2)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8676

Colors that go with #f9f658

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 →

#585af9

#f9a658 · #abf958

#58f9f6 · #f658f9

Split-complementary

Open in tool →

#58abf9 · #a658f9

#58f9a6 · #585af9 · #f958ab

Contrast

#f9f658 as textRatioAAAA largeAAAFix
Aaon white
1.14:1failfailfail
  • AA: use #7b7904 as the text (4.59:1)
  • AAA: use #595703 as the text (7.53:1)
  • AA: or shift the background to #6b6b6b (4.66:1)
  • AAA: or shift the background to #4f4f4f (7.16:1)
Aaon black
18.35:1passpasspassPasses 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 #f9f658 as the background.

Brands using this color

Fonts for this mood

#f9f658 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f9f658
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 #f9f658 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f9f658-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