Color

#138673

#138673
hex#138673
rgbrgb(19, 134, 115)
hslhsl(170, 75%, 30%)
oklchoklch(0.557 0.099 177.6)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1843

Colors that go with #138673

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#861326

#138639 · #136086

#731386 · #867313

Split-complementary

Open in tool →

#861360 · #863913

#391386 · #861326 · #608613

Contrast

#138673 as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #12816f as the text (4.78:1)
  • AAA: use #0e6254 as the text (7.26:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail
  • AAA: use #18aa91 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #138673 as the background.

Brands using this color

Fonts for this mood

#138673 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #138673
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 #138673 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/138673-a2bebd-d459a9-1f292d-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