brandsweets

Color

#efef06

#efef06
hex#efef06
rgbrgb(239, 239, 6)
hslhsl(60, 95%, 48%)
oklchoklch(0.922 0.2 109.8)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.801
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
efef060606ef

#0606ef

Analogous

Open in tool →
efef06ef7a067aef06

#ef7a06 · #7aef06

Triadic

Open in tool →
efef0606efefef06ef

#06efef · #ef06ef

Split-complementary

Open in tool →
efef06067aef7a06ef

#067aef · #7a06ef

Tetradic

Open in tool →
efef0606ef7a0606efef067a

#06ef7a · #0606ef · #ef067a

Contrast

#efef06 as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #777703 as the text (4.75:1)
  • AAA: use #5a5a02 as the text (7.25:1)
  • AA: or shift the background to #666666 (4.65:1)
  • AAA: or shift the background to #4a4a4a (7.18:1)
Aaon black
17.02:1passpasspassPasses 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 #efef06 as the background.

Brands using this color

mcpConnect your agent — build around #efef06
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 #efef06 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efef06-bbbea2-4e94df-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