Color

#319b56

#319b56
hex#319b56
rgbrgb(49, 155, 86)
hslhsl(141, 52%, 40%)
oklchoklch(0.612 0.141 151.2)
Closest name: Eucalyptus (#329760)Relative luminance 0.2477

Colors that go with #319b56

Charcoal, Blue and Crimson 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 →

#9b3176

#419b31 · #319b8b

#56319b · #9b5631

Split-complementary

Open in tool →

#8b319b · #9b3141

#31419b · #9b3176 · #9b8b31

Contrast

#319b56 as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #2a8449 as the text (4.67:1)
  • AAA: use #206538 as the text (7.05:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.95:1passpassfail
  • AAA: use #36ab5f as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #319b56 as the background.

Brands using this color

mcpConnect your agent — build around #319b56
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 #319b56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/319b56-a2beaf-c459d4-1f2d2a-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