Color

#256a55

#256a55
hex#256a55
rgbrgb(37, 106, 85)
hslhsl(162, 48%, 28%)
oklchoklch(0.475 0.077 169.6)
Closest name: Forest Serenade (#336644)Relative luminance 0.1136

Colors that go with #256a55

Charcoal, Crimson and Medium Violet Red 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 →

#6a253a

#256a33 · #255c6a

#55256a · #6a5525

Split-complementary

Open in tool →

#6a255c · #6a3325

#33256a · #6a253a · #5c6a25

Contrast

#256a55 as textRatioAAAA largeAAAFix
Aaon white
6.42:1passpassfail
  • AAA: use #22624f as the text (7.17:1)
Aaon black
3.27:1failpassfail
  • AA: use #2e846a as the text (4.62:1)
  • AAA: use #3caa89 as the text (7.3:1)
  • AA: or shift the background to #d9d9d9 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #256a55 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

#256a55 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #256a55
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 #256a55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/256a55-a2beb9-d459b9-1f2b2d-e9f1eb?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