Color

#3ba59e

#3ba59e
hex#3ba59e
rgbrgb(59, 165, 158)
hslhsl(176, 47%, 44%)
oklchoklch(0.66 0.096 188.9)
Closest name: Baltic (#279d9f)Relative luminance 0.3031

Colors that go with #3ba59e

Charcoal, Copper and Crimson 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 #3ba59e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a53b42

#3ba569 · #3b77a5

#9e3ba5 · #a59e3b

Split-complementary

Open in tool →

#a53b77 · #a5693b

#693ba5 · #a53b42 · #77a53b

Contrast

#3ba59e as textRatioAAAA largeAAAFix
Aaon white
2.97:1failfailfail
  • AA: use #2e7f7a as the text (4.74:1)
  • AAA: use #23615d as the text (7.14:1)
  • AA: or shift the background to #2e2e2e (4.57:1)
  • AAA: or shift the background to #000000 (7.06:1)
Aaon black
7.06:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3ba59e 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 #3ba59e
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 #3ba59e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ba59e-a2bdbe-d4599d-1f282d-e9f1ed?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