Color

#efad1f

#efad1f
hex#efad1f
rgbrgb(239, 173, 31)
hslhsl(41, 87%, 53%)
oklchoklch(0.79 0.157 79.7)
Closest name: Baklava (#efb435)Relative luminance 0.4834

Colors that go with #efad1f

Charcoal, Deep Sky Blue and Blue 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 →

#1f61ef

#ef451f · #c9ef1f

#1fefad · #ad1fef

Split-complementary

Open in tool →

#1fc9ef · #451fef

#1fef45 · #1f61ef · #ef1fc9

Contrast

#efad1f as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #996c0b as the text (4.66:1)
  • AAA: use #725108 as the text (7.25:1)
  • AA: or shift the background to #4a4a4a (4.5:1)
  • AAA: or shift the background to #2b2b2b (7.19:1)
Aaon black
10.67:1passpasspassPasses 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 #efad1f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#efad1f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efad1f
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 #efad1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efad1f-c4bc9c-62b6cb-2c2d1f-f1ebe9?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