brandsweets

Color

#eff74a

#eff74a
hex#eff74a
rgbrgb(239, 247, 74)
hslhsl(63, 92%, 63%)
oklchoklch(0.941 0.185 112.1)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8537
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
eff74a534af7

#534af7

Analogous

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eff74af7a94a98f74a

#f7a94a · #98f74a

Triadic

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eff74a4aeff7f74aef

#4aeff7 · #f74aef

Split-complementary

Open in tool →
eff74a4a98f7a94af7

#4a98f7 · #a94af7

Tetradic

Open in tool →
eff74a4af7a9534af7f74a98

#4af7a9 · #534af7 · #f74a98

Contrast

#eff74a as textRatioAAAA largeAAAFix
Aaon white
1.16:1failfailfail
  • AA: use #757a05 as the text (4.62:1)
  • AAA: use #595d04 as the text (7.02:1)
  • AA: or shift the background to #6b6b6b (4.59:1)
  • AAA: or shift the background to #4f4f4f (7.05:1)
Aaon black
18.07:1passpasspassPasses 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 #eff74a as the background.

Brands using this color

mcpConnect your agent — build around #eff74a
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 #eff74a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff74a-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