Color

#3ba579

#3ba579
hex#3ba579
rgbrgb(59, 165, 121)
hslhsl(155, 47%, 44%)
oklchoklch(0.649 0.118 162.3)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2922

Colors that go with #3ba579

Charcoal, Crimson and Denim 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 →

#a53b67

#3ba544 · #3b9ca5

#793ba5 · #a5793b

Split-complementary

Open in tool →

#a53b9c · #a5443b

#443ba5 · #a53b67 · #9ca53b

Contrast

#3ba579 as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #2f8360 as the text (4.63:1)
  • AAA: use #236147 as the text (7.31:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.84:1passpassfail
  • AAA: use #3da97c as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3ba579 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 #3ba579
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 #3ba579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ba579-a2beb6-d459c8-1f2d2d-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