brandsweets

Color

#eff924

#eff924
hex#eff924
rgbrgb(239, 249, 36)
hslhsl(63, 95%, 56%)
oklchoklch(0.943 0.204 112.7)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8623
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
eff9242f24f9

#2f24f9

Analogous

Open in tool →
eff924f9992484f924

#f99924 · #84f924

Triadic

Open in tool →
eff92424eff9f924ef

#24eff9 · #f924ef

Split-complementary

Open in tool →
eff9242484f99924f9

#2484f9 · #9924f9

Tetradic

Open in tool →
eff92424f9992f24f9f92484

#24f999 · #2f24f9 · #f92484

Contrast

#eff924 as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #767c03 as the text (4.51:1)
  • AAA: use #555a02 as the text (7.37:1)
  • AA: or shift the background to #6b6b6b (4.63:1)
  • AAA: or shift the background to #4f4f4f (7.12:1)
Aaon black
18.25:1passpasspassPasses 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 #eff924 as the background.

Brands using this color

mcpConnect your agent — build around #eff924
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 #eff924 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff924-b9bea2-4e8ddf-262d1f-f1eee9?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