Color

#39de02

#39de02
hex#39de02
rgbrgb(57, 222, 2)
hslhsl(105, 98%, 44%)
oklchoklch(0.786 0.257 140.9)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5312

Colors that go with #39de02

Taupe, Violet 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 →

#a702de

#a7de02 · #02de39

#0239de · #de0239

Split-complementary

Open in tool →

#3902de · #de02a7

#02a7de · #a702de · #de3902

Contrast

#39de02 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #238801 as the text (4.57:1)
  • AAA: use #1a6501 as the text (7.23:1)
  • AA: or shift the background to #4f4f4f (4.53:1)
  • AAA: or shift the background to #303030 (7.31:1)
Aaon black
11.62:1passpasspassPasses 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 #39de02 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 #39de02
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 #39de02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39de02-a6bea2-754edf-1f2d22-eff1e9?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