Color

#def056

#def056
hex#def056
rgbrgb(222, 240, 86)
hslhsl(67, 84%, 64%)
oklchoklch(0.914 0.175 115.6)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.7852

Colors that go with #def056

Plum, Blue and Charcoal 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 →

#6856f0

#f0b556 · #91f056

#56def0 · #f056de

Split-complementary

Open in tool →

#5691f0 · #b556f0

#56f0b5 · #6856f0 · #f05691

Contrast

#def056 as textRatioAAAA largeAAAFix
Aaon white
1.26:1failfailfail
  • AA: use #6d7a0b as the text (4.73:1)
  • AAA: use #545e08 as the text (7.04:1)
  • AA: or shift the background to #666666 (4.57:1)
  • AAA: or shift the background to #4a4a4a (7.05:1)
Aaon black
16.7:1passpasspassPasses 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 #def056 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #def056
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 #def056 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def056-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