Color

#439d4f

#439d4f
hex#439d4f
rgbrgb(67, 157, 79)
hslhsl(128, 40%, 44%)
oklchoklch(0.622 0.143 146.2)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2587

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9d4391

#649d43 · #439d7c

#4f439d · #9d4f43

Split-complementary

Open in tool →

#7c439d · #9d4364

#43649d · #9d4391 · #9d7c43

Contrast

#439d4f as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #398443 as the text (4.61:1)
  • AAA: use #2b6432 as the text (7.07:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.17:1passpassfail
  • AAA: use #48a855 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #439d4f as the background.

Brands using this color

mcpConnect your agent — build around #439d4f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #439d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/439d4f-a2bea9-ac4edf-1f2d27-ecf1e9?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