Color

#139579

#139579
hex#139579
rgbrgb(19, 149, 121)
hslhsl(167, 77%, 33%)
oklchoklch(0.599 0.112 172.7)
Closest name: Illuminati Green (#419168)Relative luminance 0.2301

Colors that go with #139579

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.

Real palettes that use #139579

Tints & shades

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

Harmonies

Complementary

Open in tool →

#95132f

#139538 · #137095

#791395 · #957913

Split-complementary

Open in tool →

#951370 · #953813

#381395 · #95132f · #709513

Contrast

#139579 as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #11836a as the text (4.69:1)
  • AAA: use #0d6351 as the text (7.19:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.6:1passpassfail
  • AAA: use #16ac8b as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #139579 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 #139579
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 #139579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/139579-a2bebb-d459af-1f2a2d-e9f1ec?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