Color

#efec52

#efec52
hex#efec52
rgbrgb(239, 236, 82)
hslhsl(59, 83%, 63%)
oklchoklch(0.918 0.17 108.2)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7895

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5255ef

#ef9e52 · #a3ef52

#52efec · #ec52ef

Split-complementary

Open in tool →

#52a3ef · #9e52ef

#52ef9e · #5255ef · #ef52a3

Contrast

#efec52 as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #79770b as the text (4.71:1)
  • AAA: use #595708 as the text (7.52:1)
  • AA: or shift the background to #666666 (4.59:1)
  • AAA: or shift the background to #4a4a4a (7.09:1)
Aaon black
16.79:1passpasspassPasses 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 #efec52 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#efec52 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efec52
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 #efec52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efec52-bbbea2-4e96df-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