Color

#256a74

#256a74
hex#256a74
rgbrgb(37, 106, 116)
hslhsl(188, 52%, 30%)
oklchoklch(0.486 0.069 208.6)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1196

Colors that go with #256a74

Charcoal, Rust 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.

Real palettes that use #256a74

Tints & shades

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

Harmonies

Complementary

Open in tool →

#742f25

#257457 · #254274

#74256a · #6a7425

Split-complementary

Open in tool →

#742542 · #745725

#572574 · #742f25 · #427425

Contrast

#256a74 as textRatioAAAA largeAAAFix
Aaon white
6.19:1passpassfail
  • AAA: use #215f69 as the text (7.23:1)
Aaon black
3.39:1failpassfail
  • AA: use #2c7f8c as the text (4.52:1)
  • AAA: use #3aa6b6 as the text (7.31:1)
  • AA: or shift the background to #dedede (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #256a74 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

Fonts for this mood

#256a74 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #256a74
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 #256a74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/256a74-a2b7be-df4e81-1f252d-e9f1ee?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