Color

#407a3e

#407a3e
hex#407a3e
rgbrgb(64, 122, 62)
hslhsl(118, 33%, 36%)
oklchoklch(0.525 0.109 143.2)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1536

Colors that go with #407a3e

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 →

#783e7a

#5e7a3e · #3e7a5a

#3e407a · #7a3e40

Split-complementary

Open in tool →

#5a3e7a · #7a3e5e

#3e5e7a · #783e7a · #7a5a3e

Contrast

#407a3e as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #336232 as the text (7.16:1)
Aaon black
4.07:1failpassfail
  • AA: use #458443 as the text (4.63:1)
  • AAA: use #58aa55 as the text (7.3:1)
  • AA: or shift the background to #f0f0f0 (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 #407a3e 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 #407a3e
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 #407a3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407a3e-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