Color

#99df43

#99df43
hex#99df43
rgbrgb(153, 223, 67)
hslhsl(87, 71%, 57%)
oklchoklch(0.828 0.196 130.7)
Closest name: Conifer (#b1dd52)Relative luminance 0.5995

Colors that go with #99df43

Deep Sky Blue, Taupe and Violet 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 →

#8a43df

#dfd743 · #4bdf43

#4399df · #df4399

Split-complementary

Open in tool →

#434bdf · #d743df

#43dfd7 · #8a43df · #df434b

Contrast

#99df43 as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #528316 as the text (4.55:1)
  • AAA: use #3c6010 as the text (7.31:1)
  • AA: or shift the background to #545454 (4.68:1)
  • AAA: or shift the background to #383838 (7.25:1)
Aaon black
12.99:1passpasspassPasses 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 #99df43 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 #99df43
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 #99df43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99df43-aebea2-4e53df-212d1f-f1f1e9?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