Color

#0f5657

#0f5657
hex#0f5657
rgbrgb(15, 86, 87)
hslhsl(181, 71%, 20%)
oklchoklch(0.413 0.065 196.4)
Closest name: Cape Verde (#01554f)Relative luminance 0.0745

Colors that go with #0f5657

Crimson, 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 #0f5657

Tints & shades

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

Harmonies

Complementary

Open in tool →

#57100f

#0f5734 · #0f3257

#570f56 · #56570f

Split-complementary

Open in tool →

#570f32 · #57340f

#340f57 · #57100f · #32570f

Contrast

#0f5657 as textRatioAAAA largeAAAFix
Aaon white
8.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #168183 as the text (4.5:1)
  • AAA: use #1da8aa as the text (7.23:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (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 #0f5657 as the background.

Brands using this color

Fonts for this mood

#0f5657 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f5657
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 #0f5657 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f5657-a2babe-d45992-1f272d-e9f1ed?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