Color

#40684e

#40684e
hex#40684e
rgbrgb(64, 104, 78)
hslhsl(141, 24%, 33%)
oklchoklch(0.48 0.062 154.9)
Closest name: Forest Serenade (#336644)Relative luminance 0.1154

Colors that go with #40684e

Cadet Blue, Champagne and Charcoal 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 #40684e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#68405a

#466840 · #406862

#4e4068 · #684e40

Split-complementary

Open in tool →

#624068 · #684046

#404668 · #68405a · #686240

Contrast

#40684e as textRatioAAAA largeAAAFix
Aaon white
6.35:1passpassfail
  • AAA: use #3a5f47 as the text (7.22:1)
Aaon black
3.31:1failpassfail
  • AA: use #4f8261 as the text (4.7:1)
  • AAA: use #67a27c as the text (7.04:1)
  • AA: or shift the background to #dbdbdb (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 #40684e 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

mcpConnect your agent — build around #40684e
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 #40684e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40684e-a2beaf-c459d4-1f2d2a-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