Color

#efe043

#efe043
hex#efe043
rgbrgb(239, 224, 67)
hslhsl(55, 84%, 60%)
oklchoklch(0.893 0.168 103.8)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7207

Colors that go with #efe043

Charcoal, Crimson and Deep Sky 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 →

#4352ef

#ef8b43 · #a7ef43

#43efe0 · #e043ef

Split-complementary

Open in tool →

#43a7ef · #8b43ef

#43ef8b · #4352ef · #ef43a7

Contrast

#efe043 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #7f750b as the text (4.72:1)
  • AAA: use #5e5708 as the text (7.39:1)
  • AA: or shift the background to #616161 (4.55:1)
  • AAA: or shift the background to #454545 (7.04:1)
Aaon black
15.41:1passpasspassPasses 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 #efe043 as the background.

Brands using this color

Fonts for this mood

#efe043 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efe043
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 #efe043 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efe043-bdbea2-4ea0df-282d1f-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