Color

#3caa7c

#3caa7c
hex#3caa7c
rgbrgb(60, 170, 124)
hslhsl(155, 48%, 45%)
oklchoklch(0.663 0.122 162)
Closest name: Cosmic Green (#30a877)Relative luminance 0.3117

Colors that go with #3caa7c

Charcoal, Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3c6a

#3caa45 · #3ca1aa

#7c3caa · #aa7c3c

Split-complementary

Open in tool →

#aa3ca1 · #aa453c

#453caa · #aa3c6a · #a1aa3c

Contrast

#3caa7c as textRatioAAAA largeAAAFix
Aaon white
2.9:1failfailfail
  • AA: use #2e8460 as the text (4.58:1)
  • AAA: use #226248 as the text (7.22:1)
  • AA: or shift the background to #303030 (4.55:1)
  • AAA: or shift the background to #050505 (7.02:1)
Aaon black
7.23:1passpasspassPasses 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 #3caa7c 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 #3caa7c
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 #3caa7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3caa7c-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