Color

#3fa2a0

#3fa2a0
hex#3fa2a0
rgbrgb(63, 162, 160)
hslhsl(179, 44%, 44%)
oklchoklch(0.654 0.091 193.3)
Closest name: Baltic (#279d9f)Relative luminance 0.2944

Colors that go with #3fa2a0

Charcoal, Copper and Crimson 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.

Real palettes that use #3fa2a0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a23f40

#3fa26f · #3f72a2

#a03fa2 · #a2a03f

Split-complementary

Open in tool →

#a23f72 · #a26f3f

#6f3fa2 · #a23f40 · #72a23f

Contrast

#3fa2a0 as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #32817f as the text (4.58:1)
  • AAA: use #255f5e as the text (7.3:1)
  • AA: or shift the background to #2b2b2b (4.64:1)
Aaon black
6.89:1passpassfail
  • AAA: use #40a5a4 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa2a0 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 #3fa2a0
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 #3fa2a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa2a0-a2bbbe-d45996-1f272d-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