Color

#3bd8a9

#3bd8a9
hex#3bd8a9
rgbrgb(59, 216, 169)
hslhsl(162, 67%, 54%)
oklchoklch(0.791 0.145 168.1)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.5291

Colors that go with #3bd8a9

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 →

#d83b6a

#3bd85b · #3bb9d8

#a93bd8 · #d8a93b

Split-complementary

Open in tool →

#d83bb9 · #d85b3b

#5b3bd8 · #d83b6a · #b9d83b

Contrast

#3bd8a9 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #1a8464 as the text (4.64:1)
  • AAA: use #13624a as the text (7.31:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.28:1)
Aaon black
11.58:1passpasspassPasses 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 #3bd8a9 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 #3bd8a9
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 #3bd8a9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bd8a9-a2beb9-d459b9-1f2b2d-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