Color

#3caaa6

#3caaa6
hex#3caaa6
rgbrgb(60, 170, 166)
hslhsl(178, 48%, 45%)
oklchoklch(0.676 0.098 191.6)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.3246

Colors that go with #3caaa6

Charcoal, Copper 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.

Real palettes that use #3caaa6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3c3f

#3caa6f · #3c76aa

#a63caa · #aaa63c

Split-complementary

Open in tool →

#aa3c76 · #aa6f3c

#6f3caa · #aa3c3f · #76aa3c

Contrast

#3caaa6 as textRatioAAAA largeAAAFix
Aaon white
2.8:1failfailfail
  • AA: use #2d807e as the text (4.67:1)
  • AAA: use #226260 as the text (7.04:1)
  • AA: or shift the background to #333333 (4.51:1)
  • AAA: or shift the background to #0a0a0a (7.06:1)
Aaon black
7.49:1passpasspassPasses 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 #3caaa6 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 #3caaa6
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 #3caaa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3caaa6-a2bcbe-d45999-1f282d-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