brandsweets

Color

#effa4c

#effa4c
hex#effa4c
rgbrgb(239, 250, 76)
hslhsl(64, 95%, 64%)
oklchoklch(0.947 0.187 113)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8724
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
effa4c584cfa

#584cfa

Analogous

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effa4cfaaf4c98fa4c

#faaf4c · #98fa4c

Triadic

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effa4c4ceffafa4cef

#4ceffa · #fa4cef

Split-complementary

Open in tool →
effa4c4c98faaf4cfa

#4c98fa · #af4cfa

Tetradic

Open in tool →
effa4c4cfaaf584cfafa4c98

#4cfaaf · #584cfa · #fa4c98

Contrast

#effa4c as textRatioAAAA largeAAAFix
Aaon white
1.14:1failfailfail
  • AA: use #747c03 as the text (4.54:1)
  • AAA: use #545a02 as the text (7.39:1)
  • AA: or shift the background to #6b6b6b (4.68:1)
  • AAA: or shift the background to #4f4f4f (7.2:1)
Aaon black
18.45:1passpasspassPasses 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 #effa4c as the background.

Brands using this color

mcpConnect your agent — build around #effa4c
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 #effa4c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effa4c-b9bea2-4e8adf-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