Color

#ddf556

#ddf556
hex#ddf556
rgbrgb(221, 245, 86)
hslhsl(69, 89%, 65%)
oklchoklch(0.924 0.181 117.4)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8135

Colors that go with #ddf556

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 →

#6e56f5

#f5be56 · #8ef556

#56ddf5 · #f556dd

Split-complementary

Open in tool →

#568ef5 · #be56f5

#56f5be · #6e56f5 · #f5568e

Contrast

#ddf556 as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #6c7d07 as the text (4.59:1)
  • AAA: use #4f5c05 as the text (7.33:1)
  • AA: or shift the background to #696969 (4.51:1)
  • AAA: or shift the background to #4a4a4a (7.29:1)
Aaon black
17.27:1passpasspassPasses 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 #ddf556 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 #ddf556
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 #ddf556 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ddf556-b7bea2-4e7edf-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