brandsweets

Color

#efef4e

#efef4e
hex#efef4e
rgbrgb(239, 239, 78)
hslhsl(60, 83%, 62%)
oklchoklch(0.924 0.175 109.4)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8063
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
efef4e4e4eef

#4e4eef

Analogous

Open in tool →
efef4eef9e4e9eef4e

#ef9e4e · #9eef4e

Triadic

Open in tool →
efef4e4eefefef4eef

#4eefef · #ef4eef

Split-complementary

Open in tool →
efef4e4e9eef9e4eef

#4e9eef · #9e4eef

Tetradic

Open in tool →
efef4e4eef9e4e4eefef4e9e

#4eef9e · #4e4eef · #ef4e9e

Contrast

#efef4e as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #79790b as the text (4.61:1)
  • AAA: use #595908 as the text (7.35:1)
  • AA: or shift the background to #666666 (4.68:1)
  • AAA: or shift the background to #4a4a4a (7.23:1)
Aaon black
17.13:1passpasspassPasses 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 #efef4e as the background.

Brands using this color

mcpConnect your agent — build around #efef4e
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 #efef4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efef4e-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