Color

#154139

#154139
hex#154139
rgbrgb(21, 65, 57)
hslhsl(169, 51%, 17%)
oklchoklch(0.342 0.05 179.1)
Closest name: Botanical Night (#12403c)Relative luminance 0.0424

Colors that go with #154139

Sea Green, Teal and Amber 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 →

#41151d

#154123 · #153341

#391541 · #413915

Split-complementary

Open in tool →

#411533 · #412315

#231541 · #41151d · #334115

Contrast

#154139 as textRatioAAAA largeAAAFix
Aaon white
11.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #2a8373 as the text (4.59:1)
  • AAA: use #36a691 as the text (7.02:1)
  • AA: or shift the background to #a3a3a3 (4.51:1)
  • AAA: or shift the background to #cccccc (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154139 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#154139 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154139
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 #154139 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154139-a2bebc-d459ab-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