Color

#256540

#256540
hex#256540
rgbrgb(37, 101, 64)
hslhsl(145, 46%, 27%)
oklchoklch(0.455 0.089 155)
Closest name: Forest Serenade (#336644)Relative luminance 0.1007

Colors that go with #256540

Charcoal, Royal Blue 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.

Real palettes that use #256540

Tints & shades

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

Harmonies

Complementary

Open in tool →

#65254a

#2a6525 · #25655f

#402565 · #654025

Split-complementary

Open in tool →

#5f2565 · #65252a

#252a65 · #65254a · #655f25

Contrast

#256540 as textRatioAAAA largeAAAFix
Aaon white
6.97:1passpassfail
  • AAA: use #24613d as the text (7.36:1)
Aaon black
3.01:1failpassfail
  • AA: use #328655 as the text (4.68:1)
  • AAA: use #3ea86a as the text (7.01:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #256540 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

#256540 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #256540
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 #256540 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/256540-a2beb1-cc59d4-1f2d2b-eaf1e9?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