Color

#f5f129

#f5f129
hex#f5f129
rgbrgb(245, 241, 41)
hslhsl(59, 91%, 56%)
oklchoklch(0.932 0.194 108.4)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8248

Colors that go with #f5f129

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 →

#292cf5

#f58b29 · #92f529

#29f5f1 · #f129f5

Split-complementary

Open in tool →

#2992f5 · #8b29f5

#29f58b · #292cf5 · #f52992

Contrast

#f5f129 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #7a7806 as the text (4.65:1)
  • AAA: use #5d5b04 as the text (7.09:1)
  • AA: or shift the background to #696969 (4.57:1)
  • AAA: or shift the background to #4d4d4d (7.04:1)
Aaon black
17.5:1passpasspassPasses 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 #f5f129 as the background.

Brands using this color

Fonts for this mood

#f5f129 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f5f129
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 #f5f129 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f5f129-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