Color

#9fd327

#9fd327
hex#9fd327
rgbrgb(159, 211, 39)
hslhsl(78, 69%, 49%)
oklchoklch(0.802 0.193 126.1)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5411

Colors that go with #9fd327

Deep Sky Blue, Taupe and Plum 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 →

#5a27d3

#d3b127 · #49d327

#279fd3 · #d3279f

Split-complementary

Open in tool →

#2749d3 · #b127d3

#27d3b1 · #5a27d3 · #d32749

Contrast

#9fd327 as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #5e7d17 as the text (4.75:1)
  • AAA: use #485f11 as the text (7.19:1)
  • AA: or shift the background to #4f4f4f (4.61:1)
  • AAA: or shift the background to #333333 (7.11:1)
Aaon black
11.82:1passpasspassPasses 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 #9fd327 as the background.

Brands using this color

mcpConnect your agent — build around #9fd327
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 #9fd327 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9fd327-b2bea2-4e69df-232d1f-f1f0e9?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