brandsweets

Color

#3fab9f

#3fab9f
hex#3fab9f
rgbrgb(63, 171, 159)
hslhsl(173, 46%, 46%)
oklchoklch(0.677 0.099 184.9)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.3269
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

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3fab9fab3f4c

#ab3f4c

Analogous

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3fab9f3fab693f82ab

#3fab69 · #3f82ab

Triadic

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3fab9f9f3fabab9f3f

#9f3fab · #ab9f3f

Split-complementary

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3fab9fab3f82ab693f

#ab3f82 · #ab693f

Tetradic

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3fab9f693fabab3f4c82ab3f

#693fab · #ab3f4c · #82ab3f

Contrast

#3fab9f as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #308279 as the text (4.57:1)
  • AAA: use #24615a as the text (7.16:1)
  • AA: or shift the background to #333333 (4.53:1)
  • AAA: or shift the background to #0a0a0a (7.11:1)
Aaon black
7.54:1passpasspassPasses 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 #3fab9f as the background.

Brands using this color

mcpConnect your agent — build around #3fab9f
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 #3fab9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fab9f-a2bebe-d459a3-1f292d-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