Color

#3a643c

#3a643c
hex#3a643c
rgbrgb(58, 100, 60)
hslhsl(123, 27%, 31%)
oklchoklch(0.461 0.079 145.2)
Closest name: Greenhouse (#3e6334)Relative luminance 0.1034

Colors that go with #3a643c

Charcoal, Royal Blue and Blue 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 #3a643c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#643a62

#4d643a · #3a6451

#3c3a64 · #643c3a

Split-complementary

Open in tool →

#513a64 · #643a4d

#3a4d64 · #643a62 · #64513a

Contrast

#3a643c as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #38613a as the text (7.14:1)
Aaon black
3.07:1failpassfail
  • AA: use #4a824d as the text (4.59:1)
  • AAA: use #64a667 as the text (7.19:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a643c 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 #3a643c
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 #3a643c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a643c-a2bea6-a04edf-1f2d26-edf1e9?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