Color

#efcc6b

#efcc6b
hex#efcc6b
rgbrgb(239, 204, 107)
hslhsl(44, 80%, 68%)
oklchoklch(0.856 0.123 89.8)
Closest name: Ancient Treasure (#e7d082)Relative luminance 0.626

Colors that go with #efcc6b

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.

Real palettes that use #efcc6b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c8fef

#ef8b6c · #d0ef6c

#6cefcc · #cc6cef

Split-complementary

Open in tool →

#6cd0ef · #8b6cef

#6cef8b · #6c8fef · #ef6cd0

Contrast

#efcc6b as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #937010 as the text (4.6:1)
  • AAA: use #6e540c as the text (7.15:1)
  • AA: or shift the background to #595959 (4.51:1)
  • AAA: or shift the background to #3b3b3b (7.21:1)
Aaon black
13.52:1passpasspassPasses 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 #efcc6b 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

#efcc6b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efcc6b
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 #efcc6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efcc6b-c4be9c-62b1cb-2b2d1f-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