Color

#407c2d

#407c2d
hex#407c2d
rgbrgb(64, 124, 45)
hslhsl(106, 47%, 33%)
oklchoklch(0.528 0.129 138.9)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1569

Colors that go with #407c2d

Charcoal, Crimson 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 →

#692d7c

#677c2d · #2d7c42

#2d3f7c · #7c2d3f

Split-complementary

Open in tool →

#422d7c · #7c2d67

#2d677c · #692d7c · #7c422d

Contrast

#407c2d as textRatioAAAA largeAAAFix
Aaon white
5.07:1passpassfail
  • AAA: use #326123 as the text (7.32:1)
Aaon black
4.14:1failpassfail
  • AA: use #43832f as the text (4.53:1)
  • AAA: use #56a93d as the text (7.14:1)
  • AA: or shift the background to #f2f2f2 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407c2d as the background.

Brands using this color

mcpConnect your agent — build around #407c2d
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 #407c2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407c2d-a5bea2-774edf-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