Color

#99b404

#99b404
hex#99b404
rgbrgb(153, 180, 4)
hslhsl(69, 96%, 36%)
oklchoklch(0.724 0.171 119.9)
Closest name: Citrus (#9fb70a)Relative luminance 0.3942

Colors that go with #99b404

Blue, Dodger Blue and Taupe 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 #99b404

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e04b4

#b47604 · #41b404

#0499b4 · #b40499

Split-complementary

Open in tool →

#0441b4 · #7604b4

#04b476 · #1e04b4 · #b40441

Contrast

#99b404 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #6b7d03 as the text (4.61:1)
  • AAA: use #515f02 as the text (7.03:1)
  • AA: or shift the background to #3d3d3d (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.21:1)
Aaon black
8.88:1passpasspassPasses 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 #99b404 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 #99b404
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 #99b404 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99b404-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