brandsweets

Color

#397b2d

#397b2d
hex#397b2d
rgbrgb(57, 123, 45)
hslhsl(111, 46%, 33%)
oklchoklch(0.522 0.131 140.7)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1523
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

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397b2d6f2d7b

#6f2d7b

Analogous

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397b2d607b2d2d7b49

#607b2d · #2d7b49

Triadic

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397b2d2d397b7b2d39

#2d397b · #7b2d39

Split-complementary

Open in tool →
397b2d492d7b7b2d60

#492d7b · #7b2d60

Tetradic

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397b2d2d607b6f2d7b7b492d

#2d607b · #6f2d7b · #7b492d

Contrast

#397b2d as textRatioAAAA largeAAAFix
Aaon white
5.19:1passpassfail
  • AAA: use #2d6124 as the text (7.38:1)
Aaon black
4.05:1failpassfail
  • AA: use #3e8632 as the text (4.66:1)
  • AAA: use #50ab3f as the text (7.24:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397b2d as the background.

Brands using this color

mcpConnect your agent — build around #397b2d
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 #397b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397b2d-a3bea2-834edf-1f2d23-eef1e9?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