Color

#31775f

#31775f
hex#31775f
rgbrgb(49, 119, 95)
hslhsl(159, 42%, 33%)
oklchoklch(0.517 0.081 167.8)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1467

Colors that go with #31775f

Charcoal, Crimson and Medium Violet Red 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 #31775f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#77314a

#31773b · #316d77

#5f3177 · #775f31

Split-complementary

Open in tool →

#77316d · #773b31

#3b3177 · #77314a · #6d7731

Contrast

#31775f as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #28624e as the text (7.13:1)
Aaon black
3.93:1failpassfail
  • AA: use #358267 as the text (4.54:1)
  • AAA: use #44a784 as the text (7.11:1)
  • AA: or shift the background to #ededed (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 #31775f 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 #31775f
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 #31775f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31775f-a2beb8-d459c0-1f2c2d-e9f1eb?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