Color

#def665

#def665
hex#def665
rgbrgb(222, 246, 101)
hslhsl(70, 89%, 68%)
oklchoklch(0.928 0.17 117.8)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8238

Colors that go with #def665

Plum, Charcoal and Crimson 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 →

#7d65f6

#f6c665 · #95f665

#65def6 · #f665de

Split-complementary

Open in tool →

#6595f6 · #c665f6

#65f6c6 · #7d65f6 · #f66595

Contrast

#def665 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #6a7d07 as the text (4.62:1)
  • AAA: use #4d5c05 as the text (7.37:1)
  • AA: or shift the background to #696969 (4.57:1)
  • AAA: or shift the background to #4d4d4d (7.03:1)
Aaon black
17.48:1passpasspassPasses 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 #def665 as the background.

Brands using this color

mcpConnect your agent — build around #def665
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 #def665 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def665-b6bea2-4e7cdf-252d1f-f1efe9?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