Color

#def15f

#def15f
hex#def15f
rgbrgb(222, 241, 95)
hslhsl(68, 84%, 66%)
oklchoklch(0.917 0.169 116.1)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.7927

Colors that go with #def15f

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 →

#735ff1

#f1bc5f · #95f15f

#5fdef1 · #f15fde

Split-complementary

Open in tool →

#5f95f1 · #bc5ff1

#5ff1bc · #735ff1 · #f15f95

Contrast

#def15f as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #6b7a0b as the text (4.76:1)
  • AAA: use #525e08 as the text (7.09:1)
  • AA: or shift the background to #666666 (4.61:1)
  • AAA: or shift the background to #4a4a4a (7.11:1)
Aaon black
16.85:1passpasspassPasses 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 #def15f as the background.

Brands using this color

mcpConnect your agent — build around #def15f
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 #def15f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def15f-b7bea2-4e81df-252d1f-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