Color

#9ecd42

#9ecd42
hex#9ecd42
rgbrgb(158, 205, 66)
hslhsl(80, 58%, 53%)
oklchoklch(0.789 0.172 126.3)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5133

Colors that go with #9ecd42

Charcoal, Deep Sky Blue and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7042cd

#cdb542 · #59cd42

#429ecd · #cd429e

Split-complementary

Open in tool →

#4259cd · #b542cd

#42cdb5 · #7042cd · #cd4259

Contrast

#9ecd42 as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #5e7d21 as the text (4.74:1)
  • AAA: use #465d19 as the text (7.39:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.08:1)
Aaon black
11.27:1passpasspassPasses 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 #9ecd42 as the background.

Brands using this color

mcpConnect your agent — build around #9ecd42
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 #9ecd42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9ecd42-b1bea2-4e64df-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