Color

#d4d803

#d4d803
hex#d4d803
rgbrgb(212, 216, 3)
hslhsl(61, 97%, 43%)
oklchoklch(0.851 0.187 111.1)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6312

Colors that go with #d4d803

Charcoal, Deep Sky Blue 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.

Real palettes that use #d4d803

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#0703d8

#d87103 · #6ad803

#03d4d8 · #d803d4

Split-complementary

Open in tool →

#036ad8 · #7103d8

#03d871 · #0703d8 · #d8036a

Contrast

#d4d803 as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #777902 as the text (4.65:1)
  • AAA: use #595a01 as the text (7.27:1)
  • AA: or shift the background to #595959 (4.54:1)
  • AAA: or shift the background to #3d3d3d (7.05:1)
Aaon black
13.62:1passpasspassPasses 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 #d4d803 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 #d4d803
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 #d4d803 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d4d803-babea2-4e92df-272d1f-f1ede9?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