Color

#efda52

#efda52
hex#efda52
rgbrgb(239, 218, 82)
hslhsl(52, 83%, 63%)
oklchoklch(0.881 0.154 100.4)
Closest name: Banana Drama (#f1d548)Relative luminance 0.691

Colors that go with #efda52

Charcoal, Deep Sky Blue and Lilac lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5267ef

#ef8c52 · #b6ef52

#52efda · #da52ef

Split-complementary

Open in tool →

#52b6ef · #8c52ef

#52ef8c · #5267ef · #ef52b6

Contrast

#efda52 as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #83730c as the text (4.75:1)
  • AAA: use #625609 as the text (7.36:1)
  • AA: or shift the background to #5e5e5e (4.58:1)
  • AAA: or shift the background to #424242 (7.09:1)
Aaon black
14.82:1passpasspassPasses 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 #efda52 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

#efda52 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efda52
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #efda52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efda52-c4c39c-4ea7df-292d1f-f1ece9?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