brandsweets

Color

#3bb09c

#3bb09c
hex#3bb09c
rgbrgb(59, 176, 156)
hslhsl(170, 50%, 46%)
oklchoklch(0.687 0.108 179.3)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.3438
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
3bb09cb03b4e

#b03b4e

Analogous

Open in tool →
3bb09c3bb0623b89b0

#3bb062 · #3b89b0

Triadic

Open in tool →
3bb09c9c3bb0b09c3b

#9c3bb0 · #b09c3b

Split-complementary

Open in tool →
3bb09cb03b89b0623b

#b03b89 · #b0623b

Tetradic

Open in tool →
3bb09c623bb0b03b4e89b03b

#623bb0 · #b03b4e · #89b03b

Contrast

#3bb09c as textRatioAAAA largeAAAFix
Aaon white
2.67:1failfailfail
  • AA: use #2b8274 as the text (4.62:1)
  • AAA: use #216358 as the text (7.02:1)
  • AA: or shift the background to #363636 (4.53:1)
  • AAA: or shift the background to #121212 (7.03:1)
Aaon black
7.88:1passpasspassPasses 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 #3bb09c as the background.

Brands using this color

mcpConnect your agent — build around #3bb09c
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 #3bb09c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb09c-a2bebd-d459a9-1f292d-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