Color

#31774e

#31774e
hex#31774e
rgbrgb(49, 119, 78)
hslhsl(145, 42%, 33%)
oklchoklch(0.513 0.096 155.1)
Closest name: Amazon (#387b54)Relative luminance 0.144

Colors that go with #31774e

Charcoal, Royal Blue and Rust 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 →

#77315a

#377731 · #317772

#4e3177 · #774e31

Split-complementary

Open in tool →

#723177 · #773137

#313777 · #77315a · #777231

Contrast

#31774e as textRatioAAAA largeAAAFix
Aaon white
5.41:1passpassfail
  • AAA: use #286240 as the text (7.21:1)
Aaon black
3.88:1failpassfail
  • AA: use #378658 as the text (4.71:1)
  • AAA: use #46aa6f as the text (7.24:1)
  • AA: or shift the background to #ebebeb (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 #31774e as the background.

Brands using this color

mcpConnect your agent — build around #31774e
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 #31774e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31774e-a2beb1-cc59d4-1f2d2b-eaf1e9?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