Color

#409f3c

#409f3c
hex#409f3c
rgbrgb(64, 159, 60)
hslhsl(118, 45%, 43%)
oklchoklch(0.624 0.164 142.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2621

Colors that go with #409f3c

Charcoal, Blue and Crimson 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 →

#9c3c9f

#719f3c · #3c9f6a

#3c409f · #9f3c40

Split-complementary

Open in tool →

#6a3c9f · #9f3c71

#3c719f · #9c3c9f · #9f6a3c

Contrast

#409f3c as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #358532 as the text (4.61:1)
  • AAA: use #286426 as the text (7.14:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.24:1passpassfail
  • AAA: use #44aa41 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #409f3c 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 #409f3c
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 #409f3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/409f3c-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