Color

#effb46

#effb46
hex#effb46
rgbrgb(239, 251, 70)
hslhsl(64, 96%, 63%)
oklchoklch(0.949 0.192 113.3)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8779

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5246fb

#fbad46 · #95fb46

#46effb · #fb46ef

Split-complementary

Open in tool →

#4695fb · #ad46fb

#46fbad · #5246fb · #fb4695

Contrast

#effb46 as textRatioAAAA largeAAAFix
Aaon white
1.13:1failfailfail
  • AA: use #707802 as the text (4.8:1)
  • AAA: use #545a02 as the text (7.39:1)
  • AA: or shift the background to #6e6e6e (4.51:1)
  • AAA: or shift the background to #4f4f4f (7.24:1)
Aaon black
18.56:1passpasspassPasses 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 #effb46 as the background.

Brands using this color

mcpConnect your agent — build around #effb46
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 #effb46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effb46-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