Color

#fdb308

#fdb308
hex#fdb308
rgbrgb(253, 179, 8)
hslhsl(42, 98%, 51%)
oklchoklch(0.816 0.169 78.5)
Closest name: Baklava (#efb435)Relative luminance 0.5314

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0851fd

#fd3908 · #ccfd08

#08fdb3 · #b308fd

Split-complementary

Open in tool →

#08ccfd · #3908fd

#08fd39 · #0851fd · #fd08cc

Contrast

#fdb308 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #9d6e02 as the text (4.5:1)
  • AAA: use #745201 as the text (7.12:1)
  • AA: or shift the background to #4f4f4f (4.54:1)
  • AAA: or shift the background to #303030 (7.31:1)
Aaon black
11.63:1passpasspassPasses 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 #fdb308 as the background.

Brands using this color

Fonts for this mood

#fdb308 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fdb308
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 #fdb308 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fdb308-c4bc9c-62b4cb-2b2d1f-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