brandsweets

Color

#f1f109

#f1f109
hex#f1f109
rgbrgb(241, 241, 9)
hslhsl(60, 93%, 49%)
oklchoklch(0.928 0.201 109.8)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8163
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
f1f1090909f1

#0909f1

Analogous

Open in tool →
f1f109f17d097df109

#f17d09 · #7df109

Triadic

Open in tool →
f1f10909f1f1f109f1

#09f1f1 · #f109f1

Split-complementary

Open in tool →
f1f109097df17d09f1

#097df1 · #7d09f1

Tetradic

Open in tool →
f1f10909f17d0909f1f1097d

#09f17d · #0909f1 · #f1097d

Contrast

#f1f109 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #767604 as the text (4.81:1)
  • AAA: use #595903 as the text (7.36:1)
  • AA: or shift the background to #696969 (4.53:1)
  • AAA: or shift the background to #4a4a4a (7.31:1)
Aaon black
17.33:1passpasspassPasses 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 #f1f109 as the background.

Brands using this color

mcpConnect your agent — build around #f1f109
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 #f1f109 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f1f109-bbbea2-4e94df-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