Color

#357973

#357973
hex#357973
rgbrgb(53, 121, 115)
hslhsl(175, 39%, 34%)
oklchoklch(0.531 0.069 187.5)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1567

Colors that go with #357973

Charcoal, Crimson and Amber 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.

Real palettes that use #357973

Tints & shades

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

Harmonies

Complementary

Open in tool →

#79353b

#357951 · #355c79

#733579 · #797335

Split-complementary

Open in tool →

#79355c · #795135

#513579 · #79353b · #5c7935

Contrast

#357973 as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #2a605b as the text (7.19:1)
Aaon black
4.13:1failpassfail
  • AA: use #38807a as the text (4.54:1)
  • AAA: use #49a79f as the text (7.31:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #357973 as the background.

Brands using this color

mcpConnect your agent — build around #357973
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 #357973 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/357973-a2bdbe-d4599f-1f282d-e9f1ed?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