Color

#dde543

#dde543
hex#dde543
rgbrgb(221, 229, 67)
hslhsl(63, 76%, 58%)
oklchoklch(0.888 0.176 112.3)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.7182

Colors that go with #dde543

Charcoal, Plum and Blue 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 →

#4b43e5

#e59c43 · #8ce543

#43dde5 · #e543dd

Split-complementary

Open in tool →

#438ce5 · #9c43e5

#43e59c · #4b43e5 · #e5438c

Contrast

#dde543 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #747911 as the text (4.68:1)
  • AAA: use #565a0c as the text (7.33:1)
  • AA: or shift the background to #616161 (4.53:1)
  • AAA: or shift the background to #454545 (7.01:1)
Aaon black
15.36:1passpasspassPasses 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 #dde543 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 #dde543
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 #dde543 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dde543-b9bea2-4e8ddf-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