Color

#40774b

#40774b
hex#40774b
rgbrgb(64, 119, 75)
hslhsl(132, 30%, 36%)
oklchoklch(0.519 0.091 148.9)
Closest name: Autumn Crocodile (#447744)Relative luminance 0.1479

Colors that go with #40774b

Charcoal, Royal Blue and Rust 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 →

#77406c

#517740 · #407767

#4b4077 · #774b40

Split-complementary

Open in tool →

#674077 · #774051

#405177 · #77406c · #776740

Contrast

#40774b as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #34603d as the text (7.28:1)
Aaon black
3.96:1failpassfail
  • AA: use #468152 as the text (4.52:1)
  • AAA: use #59a669 as the text (7.08:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40774b as the background.

Brands using this color

mcpConnect your agent — build around #40774b
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 #40774b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40774b-a2beab-b64edf-1f2d28-ecf1e9?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