Color

#407b3d

#407b3d
hex#407b3d
rgbrgb(64, 123, 61)
hslhsl(117, 34%, 36%)
oklchoklch(0.527 0.112 142.8)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1559

Colors that go with #407b3d

Charcoal, Royal Blue 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 →

#783d7b

#5f7b3d · #3d7b59

#3d407b · #7b3d40

Split-complementary

Open in tool →

#593d7b · #7b3d5f

#3d5f7b · #783d7b · #7b593d

Contrast

#407b3d as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #336331 as the text (7.07:1)
Aaon black
4.12:1failpassfail
  • AA: use #438240 as the text (4.51:1)
  • AAA: use #57a752 as the text (7.05:1)
  • AA: or shift the background to #f2f2f2 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407b3d 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 #407b3d
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 #407b3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407b3d-a2bea4-924edf-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