Color

#397533

#397533
hex#397533
rgbrgb(57, 117, 51)
hslhsl(115, 39%, 33%)
oklchoklch(0.506 0.117 141.9)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1383

Colors that go with #397533

Charcoal, Blue and Copper 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 →

#6f3375

#5a7533 · #33754f

#333975 · #753339

Split-complementary

Open in tool →

#4f3375 · #75335a

#335a75 · #6f3375 · #754f33

Contrast

#397533 as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #30632c as the text (7.13:1)
Aaon black
3.77:1failpassfail
  • AA: use #40833a as the text (4.53:1)
  • AAA: use #53aa4b as the text (7.22:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397533 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 #397533
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 #397533 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397533-a2bea3-8d4edf-1f2d24-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