Color

#defb04

#defb04
hex#defb04
rgbrgb(222, 251, 4)
hslhsl(67, 97%, 50%)
oklchoklch(0.934 0.217 117.9)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8453

Colors that go with #defb04

Plum, Violet 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 →

#2104fb

#fb9c04 · #63fb04

#04defb · #fb04de

Split-complementary

Open in tool →

#0463fb · #9c04fb

#04fb9c · #2104fb · #fb0463

Contrast

#defb04 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #6f7e02 as the text (4.51:1)
  • AAA: use #505a01 as the text (7.49:1)
  • AA: or shift the background to #6b6b6b (4.54:1)
  • AAA: or shift the background to #4d4d4d (7.21:1)
Aaon black
17.91:1passpasspassPasses 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 #defb04 as the background.

Brands using this color

mcpConnect your agent — build around #defb04
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 #defb04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/defb04-b8bea2-4e83df-262d1f-f1eee9?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