brandsweets

Color

#eff844

#eff844
hex#eff844
rgbrgb(239, 248, 68)
hslhsl(63, 93%, 62%)
oklchoklch(0.943 0.19 112.4)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.859
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
eff8444d44f8

#4d44f8

Analogous

Open in tool →
eff844f8a74495f844

#f8a744 · #95f844

Triadic

Open in tool →
eff84444eff8f844ef

#44eff8 · #f844ef

Split-complementary

Open in tool →
eff8444495f8a744f8

#4495f8 · #a744f8

Tetradic

Open in tool →
eff84444f8a74d44f8f84495

#44f8a7 · #4d44f8 · #f84495

Contrast

#eff844 as textRatioAAAA largeAAAFix
Aaon white
1.16:1failfailfail
  • AA: use #757b04 as the text (4.57:1)
  • AAA: use #545903 as the text (7.48:1)
  • AA: or shift the background to #6b6b6b (4.61:1)
  • AAA: or shift the background to #4f4f4f (7.09:1)
Aaon black
18.18:1passpasspassPasses 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 #eff844 as the background.

Brands using this color

mcpConnect your agent — build around #eff844
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 #eff844 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff844-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