Color

#efb434

#efb434
hex#efb434
rgbrgb(239, 180, 52)
hslhsl(41, 85%, 57%)
oklchoklch(0.804 0.151 82)
Closest name: Baklava (#efb435)Relative luminance 0.5124

Colors that go with #efb434

Charcoal, Deep Sky Blue and Cadet 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.

Real palettes that use #efb434

Tints & shades

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

Harmonies

Complementary

Open in tool →

#346fef

#ef5634 · #ccef34

#34efb4 · #b434ef

Split-complementary

Open in tool →

#34ccef · #5634ef

#34ef56 · #346fef · #ef34cc

Contrast

#efb434 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #9c6e0d as the text (4.52:1)
  • AAA: use #715009 as the text (7.36:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.07:1)
Aaon black
11.25:1passpasspassPasses 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 #efb434 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#efb434 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efb434
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 #efb434 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efb434-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