Color

#3a6e4e

#3a6e4e
hex#3a6e4e
rgbrgb(58, 110, 78)
hslhsl(143, 31%, 33%)
oklchoklch(0.492 0.077 155.3)
Closest name: Forest Serenade (#336644)Relative luminance 0.126

Colors that go with #3a6e4e

Charcoal, Medium Violet Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6e3a5a

#406e3a · #3a6e68

#4e3a6e · #6e4e3a

Split-complementary

Open in tool →

#683a6e · #6e3a40

#3a406e · #6e3a5a · #6e683a

Contrast

#3a6e4e as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #336145 as the text (7.15:1)
Aaon black
3.52:1failpassfail
  • AA: use #45825c as the text (4.6:1)
  • AAA: use #58a776 as the text (7.2:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a6e4e as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #3a6e4e
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 #3a6e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a6e4e-a2beb0-c859d4-1f2d2b-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