Color

#3fabab

#3fabab
hex#3fabab
rgbrgb(63, 171, 171)
hslhsl(180, 46%, 46%)
oklchoklch(0.681 0.097 195.1)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3312

Colors that go with #3fabab

Charcoal, Copper and Denim 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 →

#ab3f3f

#3fab75 · #3f75ab

#ab3fab · #abab3f

Split-complementary

Open in tool →

#ab3f75 · #ab753f

#753fab · #ab3f3f · #75ab3f

Contrast

#3fabab as textRatioAAAA largeAAAFix
Aaon white
2.75:1failfailfail
  • AA: use #308282 as the text (4.52:1)
  • AAA: use #246161 as the text (7.1:1)
  • AA: or shift the background to #333333 (4.59:1)
  • AAA: or shift the background to #0d0d0d (7.06:1)
Aaon black
7.62:1passpasspassPasses 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 #3fabab as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

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

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

tool url/palettes/new/3fabab-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