brandsweets

Color

#eff32b

#eff32b
hex#eff32b
rgbrgb(239, 243, 43)
hslhsl(61, 89%, 56%)
oklchoklch(0.931 0.196 110.9)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8263
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
eff32b2e2bf3

#2e2bf3

Analogous

Open in tool →
eff32bf3922b8bf32b

#f3922b · #8bf32b

Triadic

Open in tool →
eff32b2beff3f32bef

#2beff3 · #f32bef

Split-complementary

Open in tool →
eff32b2b8bf3922bf3

#2b8bf3 · #922bf3

Tetradic

Open in tool →
eff32b2bf3922e2bf3f32b8b

#2bf392 · #2e2bf3 · #f32b8b

Contrast

#eff32b as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • 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 (4.58:1)
  • AAA: or shift the background to #4d4d4d (7.05:1)
Aaon black
17.53:1passpasspassPasses 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 #eff32b as the background.

Brands using this color

mcpConnect your agent — build around #eff32b
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 #eff32b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff32b-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