brandsweets

Color

#eff226

#eff226
hex#eff226
rgbrgb(239, 242, 38)
hslhsl(61, 89%, 55%)
oklchoklch(0.929 0.197 110.6)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8199
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
eff2262a26f2

#2a26f2

Analogous

Open in tool →
eff226f2902689f226

#f29026 · #89f226

Triadic

Open in tool →
eff22626eff2f226ef

#26eff2 · #f226ef

Split-complementary

Open in tool →
eff2262689f29026f2

#2689f2 · #9026f2

Tetradic

Open in tool →
eff22626f2902a26f2f22689

#26f290 · #2a26f2 · #f22689

Contrast

#eff226 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #777807 as the text (4.69:1)
  • AAA: use #5a5c05 as the text (7.08:1)
  • AA: or shift the background to #696969 (4.55:1)
  • AAA: or shift the background to #4d4d4d (7:1)
Aaon black
17.4:1passpasspassPasses 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 #eff226 as the background.

Brands using this color

mcpConnect your agent — build around #eff226
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 #eff226 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff226-babea2-4e92df-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