Color

#397943

#397943
hex#397943
rgbrgb(57, 121, 67)
hslhsl(129, 36%, 35%)
oklchoklch(0.519 0.107 147.2)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1495

Tints & shades

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

Harmonies

Complementary

Open in tool →

#793970

#507939 · #397963

#433979 · #794339

Split-complementary

Open in tool →

#633979 · #793950

#395079 · #793970 · #796339

Contrast

#397943 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #2e6135 as the text (7.3:1)
Aaon black
3.99:1failpassfail
  • AA: use #3e8448 as the text (4.6:1)
  • AAA: use #50aa5d as the text (7.25:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397943 as the background.

Brands using this color

mcpConnect your agent — build around #397943
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 #397943 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397943-a2bea9-ae4edf-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