Color

#3bdeb8

#3bdeb8
hex#3bdeb8
rgbrgb(59, 222, 184)
hslhsl(166, 71%, 55%)
oklchoklch(0.809 0.142 173)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5663

Colors that go with #3bdeb8

Charcoal, Crimson and Deep Sky 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 →

#de3b61

#3bde66 · #3bb2de

#b83bde · #deb83b

Split-complementary

Open in tool →

#de3bb2 · #de663b

#663bde · #de3b61 · #b2de3b

Contrast

#3bdeb8 as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #168369 as the text (4.68:1)
  • AAA: use #116451 as the text (7.08:1)
  • AA: or shift the background to #525252 (4.59:1)
  • AAA: or shift the background to #363636 (7.09:1)
Aaon black
12.33:1passpasspassPasses 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 #3bdeb8 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 #3bdeb8
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 #3bdeb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bdeb8-a2bebb-d459b1-1f2a2d-e9f1ec?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