Color

#40875f

#40875f
hex#40875f
rgbrgb(64, 135, 95)
hslhsl(146, 36%, 39%)
oklchoklch(0.566 0.096 156.7)
Closest name: seagreen (#2e8b57)Relative luminance 0.1924

Colors that go with #40875f

Charcoal, Rust 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 →

#874068

#448740 · #408782

#5f4087 · #875f40

Split-complementary

Open in tool →

#824087 · #874044

#404487 · #874068 · #878240

Contrast

#40875f as textRatioAAAA largeAAAFix
Aaon white
4.33:1failpassfail
  • AA: use #3e845c as the text (4.51:1)
  • AAA: use #2e6144 as the text (7.22:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.85:1passpassfail
  • AAA: use #4ea675 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40875f as the background.

Brands using this color

mcpConnect your agent — build around #40875f
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 #40875f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40875f-a2beb1-ce59d4-1f2d2b-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