Color

#15655a

#15655a
hex#15655a
rgbrgb(21, 101, 90)
hslhsl(172, 66%, 24%)
oklchoklch(0.458 0.076 181.3)
Closest name: Mosque (#005f5b)Relative luminance 0.102

Colors that go with #15655a

Charcoal, Blue and Cadet Blue 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 #15655a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#661520

#156632 · #154866

#5b1566 · #665b15

Split-complementary

Open in tool →

#661548 · #663215

#321566 · #661520 · #486615

Contrast

#15655a as textRatioAAAA largeAAAFix
Aaon white
6.91:1passpassfail
  • AAA: use #146157 as the text (7.3:1)
Aaon black
3.04:1failpassfail
  • AA: use #1b8375 as the text (4.55:1)
  • AAA: use #23a997 as the text (7.19:1)
  • AA: or shift the background to #d1d1d1 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15655a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#15655a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15655a
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 #15655a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15655a-a2bebe-d459a5-1f292d-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