Color

#3aa688

#3aa688
hex#3aa688
rgbrgb(58, 166, 136)
hslhsl(163, 48%, 44%)
oklchoklch(0.655 0.108 171.1)
Closest name: Herbal (#29ab87)Relative luminance 0.2995

Colors that go with #3aa688

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.

Real palettes that use #3aa688

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a63a59

#3aa652 · #3a8fa6

#883aa6 · #a6883a

Split-complementary

Open in tool →

#a63a8f · #a6523a

#523aa6 · #a63a59 · #8fa63a

Contrast

#3aa688 as textRatioAAAA largeAAAFix
Aaon white
3:1failpassfail
  • AA: use #2e846c as the text (4.53:1)
  • AAA: use #226250 as the text (7.16:1)
  • AA: or shift the background to #2e2e2e (4.52:1)
Aaon black
6.99:1passpassfail
  • AAA: use #3caa8b as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3aa688 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 #3aa688
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 #3aa688 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa688-a2beb9-d459b7-1f2b2d-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