Color

#3dbdb6

#3dbdb6
hex#3dbdb6
rgbrgb(61, 189, 182)
hslhsl(177, 51%, 49%)
oklchoklch(0.728 0.11 189.7)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4076

Colors that go with #3dbdb6

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 →

#bd3d44

#3dbd77 · #3d83bd

#b63dbd · #bdb63d

Split-complementary

Open in tool →

#bd3d83 · #bd773d

#773dbd · #bd3d44 · #83bd3d

Contrast

#3dbdb6 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #2a837e as the text (4.52:1)
  • AAA: use #1f605d as the text (7.27:1)
  • AA: or shift the background to #404040 (4.52:1)
  • AAA: or shift the background to #212121 (7.02:1)
Aaon black
9.15:1passpasspassPasses 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 #3dbdb6 as the background.

Brands using this color

mcpConnect your agent — build around #3dbdb6
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 #3dbdb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dbdb6-a2bcbe-d4599b-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