Color

#ffac05

#ffac05
hex#ffac05
rgbrgb(255, 172, 5)
hslhsl(40, 100%, 51%)
oklchoklch(0.805 0.17 74.2)
Closest name: orange (#ffa500)Relative luminance 0.5078

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0558ff

#ff2f05 · #d5ff05

#05ffac · #ac05ff

Split-complementary

Open in tool →

#05d5ff · #2f05ff

#05ff2f · #0558ff · #ff05d5

Contrast

#ffac05 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #9e6900 as the text (4.69:1)
  • AAA: use #754e00 as the text (7.38:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.16:1passpasspassPasses 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 #ffac05 as the background.

Brands using this color

Fonts for this mood

#ffac05 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffac05
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 #ffac05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffac05-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