Color

#fbb428

#fbb428
hex#fbb428
rgbrgb(251, 180, 40)
hslhsl(40, 96%, 57%)
oklchoklch(0.816 0.161 78.2)
Closest name: Baklava (#efb435)Relative luminance 0.533

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#286efb

#fb4b28 · #d8fb28

#28fbb4 · #b428fb

Split-complementary

Open in tool →

#28d8fb · #4b28fb

#28fb4b · #286efb · #fb28d8

Contrast

#fbb428 as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #a06c03 as the text (4.52:1)
  • AAA: use #785102 as the text (7.06:1)
  • AA: or shift the background to #4f4f4f (4.55:1)
  • AAA: or shift the background to #333333 (7.02:1)
Aaon black
11.66:1passpasspassPasses 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 #fbb428 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fbb428 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fbb428
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #fbb428 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fbb428-c4bb9c-62b8cb-2c2d1f-f1ebe9?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