Color

#3dbdbd

#3dbdbd
hex#3dbdbd
rgbrgb(61, 189, 189)
hslhsl(180, 51%, 49%)
oklchoklch(0.731 0.109 195)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4106

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd3d3d

#3dbd7d · #3d7dbd

#bd3dbd · #bdbd3d

Split-complementary

Open in tool →

#bd3d7d · #bd7d3d

#7d3dbd · #bd3d3d · #7dbd3d

Contrast

#3dbdbd as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #297f7f as the text (4.73:1)
  • AAA: use #1f6060 as the text (7.24:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.06:1)
Aaon black
9.21:1passpasspassPasses 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 #3dbdbd as the background.

Brands using this color

Fonts for this mood

#3dbdbd reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/3dbdbd-a2bbbe-d45994-1f272d-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