Color

#9bd40c

#9bd40c
hex#9bd40c
rgbrgb(155, 212, 12)
hslhsl(77, 89%, 44%)
oklchoklch(0.801 0.204 126.8)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5408

Colors that go with #9bd40c

Taupe, Plum and Dark Orange 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 →

#450cd4

#d4a90c · #38d40c

#0c9bd4 · #d40c9b

Split-complementary

Open in tool →

#0c38d4 · #a90cd4

#0cd4a9 · #450cd4 · #d40c38

Contrast

#9bd40c as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #5c7d07 as the text (4.78:1)
  • AAA: use #476006 as the text (7.13:1)
  • 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 #9bd40c as the background.

Brands using this color

mcpConnect your agent — build around #9bd40c
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 #9bd40c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9bd40c-b3bea2-4e6bdf-232d1f-f1efe9?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