Color

#3ea9ac

#3ea9ac
hex#3ea9ac
rgbrgb(62, 169, 172)
hslhsl(182, 47%, 46%)
oklchoklch(0.676 0.096 197.8)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3238

Colors that go with #3ea9ac

Charcoal, Terracotta and Copper 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 #3ea9ac

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac423e

#3eac79 · #3e72ac

#ac3ea9 · #a9ac3e

Split-complementary

Open in tool →

#ac3e72 · #ac793e

#793eac · #ac423e · #72ac3e

Contrast

#3ea9ac as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #2f8083 as the text (4.63:1)
  • AAA: use #235f61 as the text (7.29:1)
  • AA: or shift the background to #303030 (4.7:1)
  • AAA: or shift the background to #0a0a0a (7.05:1)
Aaon black
7.48:1passpasspassPasses 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 #3ea9ac 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

#3ea9ac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ea9ac
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 #3ea9ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ea9ac-a2babe-d45990-1f272d-e9f1ee?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