Color

#3bab85

#3bab85
hex#3bab85
rgbrgb(59, 171, 133)
hslhsl(160, 49%, 45%)
oklchoklch(0.668 0.116 166.7)
Closest name: Herbal (#29ab87)Relative luminance 0.3175

Colors that go with #3bab85

Charcoal, Blue and Cornflower 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 →

#ab3b60

#3bab4d · #3b98ab

#853bab · #ab853b

Split-complementary

Open in tool →

#ab3b98 · #ab4d3b

#4d3bab · #ab3b60 · #98ab3b

Contrast

#3bab85 as textRatioAAAA largeAAAFix
Aaon white
2.86:1failfailfail
  • AA: use #2c8165 as the text (4.73:1)
  • AAA: use #22634d as the text (7.09:1)
  • AA: or shift the background to #303030 (4.62:1)
  • AAA: or shift the background to #080808 (7.01:1)
Aaon black
7.35:1passpasspassPasses 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 #3bab85 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 #3bab85
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 #3bab85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bab85-a2beb8-d459be-1f2c2d-e9f1eb?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