Color

#eff718

#eff718
hex#eff718
rgbrgb(239, 247, 24)
hslhsl(62, 93%, 53%)
oklchoklch(0.939 0.205 112.1)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8494

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f18f7

#f78f18 · #80f718

#18eff7 · #f718ef

Split-complementary

Open in tool →

#1880f7 · #8f18f7

#18f78f · #1f18f7 · #f71880

Contrast

#eff718 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #777b04 as the text (4.55:1)
  • AAA: use #565903 as the text (7.43:1)
  • AA: or shift the background to #6b6b6b (4.56:1)
  • AAA: or shift the background to #4f4f4f (7.02:1)
Aaon black
17.99:1passpasspassPasses 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 #eff718 as the background.

Brands using this color

mcpConnect your agent — build around #eff718
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 #eff718 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff718-babea2-4e8fdf-272d1f-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