Color

#31775a

#31775a
hex#31775a
rgbrgb(49, 119, 90)
hslhsl(155, 42%, 33%)
oklchoklch(0.516 0.085 163.5)
Closest name: Amazon (#387b54)Relative luminance 0.1458

Colors that go with #31775a

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#77314e

#317737 · #317277

#5a3177 · #775a31

Split-complementary

Open in tool →

#773172 · #773731

#373177 · #77314e · #727731

Contrast

#31775a as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #28624a as the text (7.15:1)
Aaon black
3.92:1failpassfail
  • AA: use #358262 as the text (4.52:1)
  • AAA: use #44a77e as the text (7.07:1)
  • AA: or shift the background to #ededed (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31775a 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 #31775a
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 #31775a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31775a-a2beb6-d459c8-1f2d2d-e9f1ea?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