brandsweets

Color

#eff92f

#eff92f
hex#eff92f
rgbrgb(239, 249, 47)
hslhsl(63, 94%, 58%)
oklchoklch(0.944 0.2 112.7)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8631
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
eff92f392ff9

#392ff9

Analogous

Open in tool →
eff92ff99e2f8af92f

#f99e2f · #8af92f

Triadic

Open in tool →
eff92f2feff9f92fef

#2feff9 · #f92fef

Split-complementary

Open in tool →
eff92f2f8af99e2ff9

#2f8af9 · #9e2ff9

Tetradic

Open in tool →
eff92f2ff99e392ff9f92f8a

#2ff99e · #392ff9 · #f92f8a

Contrast

#eff92f as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #767c04 as the text (4.51:1)
  • AAA: use #555903 as the text (7.46:1)
  • AA: or shift the background to #6b6b6b (4.63:1)
  • AAA: or shift the background to #4f4f4f (7.12:1)
Aaon black
18.26:1passpasspassPasses 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 #eff92f as the background.

Brands using this color

mcpConnect your agent — build around #eff92f
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 #eff92f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff92f-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