Color

#31966e

#31966e
hex#31966e
rgbrgb(49, 150, 110)
hslhsl(156, 51%, 39%)
oklchoklch(0.604 0.112 163)
Closest name: Illuminati Green (#419168)Relative luminance 0.2359

Colors that go with #31966e

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.

Real palettes that use #31966e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#963159

#31963b · #318c96

#6e3196 · #966e31

Split-complementary

Open in tool →

#96318c · #963b31

#3b3196 · #963159 · #8c9631

Contrast

#31966e as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #2a8360 as the text (4.65:1)
  • AAA: use #206449 as the text (7.05:1)
  • AA: or shift the background to #1c1c1c (4.64:1)
Aaon black
5.72:1passpassfail
  • AAA: use #37a97c as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31966e 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 #31966e
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 #31966e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31966e-a2beb6-d459c6-1f2d2d-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