Color

#31723b

#31723b
hex#31723b
rgbrgb(49, 114, 59)
hslhsl(129, 40%, 32%)
oklchoklch(0.495 0.109 146.8)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.13

Colors that go with #31723b

Charcoal, Copper 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 →

#723168

#487231 · #31725b

#3b3172 · #723b31

Split-complementary

Open in tool →

#5b3172 · #723148

#314872 · #723168 · #725b31

Contrast

#31723b as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #2b6433 as the text (7.06:1)
Aaon black
3.6:1failpassfail
  • AA: use #398444 as the text (4.56:1)
  • AAA: use #48a856 as the text (7.01:1)
  • AA: or shift the background to #e3e3e3 (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 #31723b 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 #31723b
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 #31723b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31723b-a2bea9-ae4edf-1f2d27-ecf1e9?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