Color

#3dbdb2

#3dbdb2
hex#3dbdb2
rgbrgb(61, 189, 178)
hslhsl(175, 51%, 49%)
oklchoklch(0.727 0.111 186.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.406

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd3d48

#3dbd72 · #3d88bd

#b23dbd · #bdb23d

Split-complementary

Open in tool →

#bd3d88 · #bd723d

#723dbd · #bd3d48 · #88bd3d

Contrast

#3dbdb2 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #2a837c as the text (4.53:1)
  • AAA: use #1f605b as the text (7.29:1)
  • AA: or shift the background to #404040 (4.5:1)
  • AAA: or shift the background to #1f1f1f (7.16:1)
Aaon black
9.12:1passpasspassPasses 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 #3dbdb2 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 #3dbdb2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3dbdb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dbdb2-a2bdbe-d4599f-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