brandsweets

Color

#efef1a

#efef1a
hex#efef1a
rgbrgb(239, 239, 26)
hslhsl(60, 87%, 52%)
oklchoklch(0.922 0.197 109.7)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.8016
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
efef1a1a1aef

#1a1aef

Analogous

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efef1aef851a85ef1a

#ef851a · #85ef1a

Triadic

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efef1a1aefefef1aef

#1aefef · #ef1aef

Split-complementary

Open in tool →
efef1a1a85ef851aef

#1a85ef · #851aef

Tetradic

Open in tool →
efef1a1aef851a1aefef1a85

#1aef85 · #1a1aef · #ef1a85

Contrast

#efef1a as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #777708 as the text (4.74:1)
  • AAA: use #5b5b06 as the text (7.13:1)
  • AA: or shift the background to #666666 (4.66:1)
  • AAA: or shift the background to #4a4a4a (7.19:1)
Aaon black
17.03:1passpasspassPasses 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 #efef1a as the background.

Brands using this color

mcpConnect your agent — build around #efef1a
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 #efef1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efef1a-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