Color

#ddf349

#ddf349
hex#ddf349
rgbrgb(221, 243, 73)
hslhsl(68, 88%, 62%)
oklchoklch(0.919 0.187 116.7)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.7995

Colors that go with #ddf349

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 →

#6049f3

#f3b549 · #87f349

#49ddf3 · #f349dd

Split-complementary

Open in tool →

#4987f3 · #b549f3

#49f3b5 · #6049f3 · #f34987

Contrast

#ddf349 as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #6d7d08 as the text (4.58:1)
  • AAA: use #505b06 as the text (7.39:1)
  • AA: or shift the background to #666666 (4.65:1)
  • AAA: or shift the background to #4a4a4a (7.17:1)
Aaon black
16.99:1passpasspassPasses 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 #ddf349 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 #ddf349
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 #ddf349 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ddf349-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