Color

#317b2d

#317b2d
hex#317b2d
rgbrgb(49, 123, 45)
hslhsl(117, 46%, 33%)
oklchoklch(0.518 0.135 142.5)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1501

Colors that go with #317b2d

Charcoal, Royal Blue and Blue 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 →

#772d7b

#587b2d · #2d7b50

#2d317b · #7b2d31

Split-complementary

Open in tool →

#502d7b · #7b2d58

#2d587b · #772d7b · #7b502d

Contrast

#317b2d as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #286525 as the text (7.05:1)
Aaon black
4:1failpassfail
  • AA: use #368632 as the text (4.61:1)
  • AAA: use #45ab3f as the text (7.15:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317b2d as the background.

Brands using this color

mcpConnect your agent — build around #317b2d
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 #317b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317b2d-a2bea4-924edf-1f2d25-edf1e9?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