Color

#efd62e

#efd62e
hex#efd62e
rgbrgb(239, 214, 46)
hslhsl(52, 86%, 56%)
oklchoklch(0.871 0.171 100.1)
Closest name: Banana Brick (#e8d82c)Relative luminance 0.6664

Colors that go with #efd62e

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 →

#2e48ef

#ef752e · #a9ef2e

#2eefd6 · #d62eef

Split-complementary

Open in tool →

#2ea9ef · #752eef

#2eef75 · #2e48ef · #ef2ea9

Contrast

#efd62e as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #85740a as the text (4.67:1)
  • AAA: use #645707 as the text (7.22:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.07:1)
Aaon black
14.33:1passpasspassPasses 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 #efd62e as the background.

Brands using this color

Fonts for this mood

#efd62e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efd62e
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 #efd62e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efd62e-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