Color

#15937c

#15937c
hex#15937c
rgbrgb(21, 147, 124)
hslhsl(169, 75%, 33%)
oklchoklch(0.595 0.107 175.9)
Closest name: Green Dynasty (#00988e)Relative luminance 0.2248

Colors that go with #15937c

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 #15937c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#93152c

#15933d · #156b93

#7c1593 · #937c15

Split-complementary

Open in tool →

#93156b · #933d15

#3d1593 · #93152c · #6b9315

Contrast

#15937c as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #12816d as the text (4.79:1)
  • AAA: use #0e6253 as the text (7.26:1)
  • AA: or shift the background to #1a1a1a (4.56:1)
Aaon black
5.5:1passpassfail
  • AAA: use #18aa8f as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15937c as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #15937c
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 #15937c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15937c-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