Color

#40644f

#40644f
hex#40644f
rgbrgb(64, 100, 79)
hslhsl(145, 22%, 32%)
oklchoklch(0.469 0.054 157.9)
Closest name: Ethereal Woods (#3e5e4e)Relative luminance 0.1077

Colors that go with #40644f

Charcoal, Cadet Blue and Champagne 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 #40644f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#644055

#436440 · #406461

#4f4064 · #644f40

Split-complementary

Open in tool →

#614064 · #644043

#404364 · #644055 · #646140

Contrast

#40644f as textRatioAAAA largeAAAFix
Aaon white
6.66:1passpassfail
  • AAA: use #3e604c as the text (7.04:1)
Aaon black
3.15:1failpassfail
  • AA: use #528065 as the text (4.63:1)
  • AAA: use #6da283 as the text (7.15:1)
  • AA: or shift the background to #d6d6d6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40644f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #40644f
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 #40644f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40644f-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