Color

#3d783b

#3d783b
hex#3d783b
rgbrgb(61, 120, 59)
hslhsl(118, 34%, 35%)
oklchoklch(0.517 0.111 143.1)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1474

Colors that go with #3d783b

Charcoal, Rust and Dark Orchid 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 →

#763b78

#5b783b · #3b7857

#3b3d78 · #783b3d

Split-complementary

Open in tool →

#573b78 · #783b5b

#3b5b78 · #763b78 · #78573b

Contrast

#3d783b as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
  • AAA: use #326331 as the text (7.08:1)
Aaon black
3.95:1failpassfail
  • AA: use #448542 as the text (4.68:1)
  • AAA: use #55a752 as the text (7.04:1)
  • AA: or shift the background to #ededed (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d783b 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 #3d783b
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 #3d783b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d783b-a2bea4-944edf-1f2d25-edf1e9?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