Color

#3a6e57

#3a6e57
hex#3a6e57
rgbrgb(58, 110, 87)
hslhsl(153, 31%, 33%)
oklchoklch(0.495 0.068 163.5)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1274

Colors that go with #3a6e57

Charcoal, Medium Violet Red and Cadet 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 →

#6e3a52

#3a6e3d · #3a6c6e

#573a6e · #6e573a

Split-complementary

Open in tool →

#6e3a6c · #6e3d3a

#3d3a6e · #6e3a52 · #6c6e3a

Contrast

#3a6e57 as textRatioAAAA largeAAAFix
Aaon white
5.92:1passpassfail
  • AAA: use #33614c as the text (7.11:1)
Aaon black
3.55:1failpassfail
  • AA: use #458267 as the text (4.64:1)
  • AAA: use #56a481 as the text (7.02:1)
  • AA: or shift the background to #e3e3e3 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a6e57 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 #3a6e57
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 #3a6e57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a6e57-a2beb5-d459cc-1f2d2d-e9f1ea?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