Color

#2aa9b7

#2aa9b7
hex#2aa9b7
rgbrgb(42, 169, 183)
hslhsl(186, 63%, 44%)
oklchoklch(0.675 0.106 206.2)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3229

Colors that go with #2aa9b7

Charcoal, Tomato 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.

Real palettes that use #2aa9b7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b7382a

#2ab77e · #2a62b7

#b72aa9 · #a9b72a

Split-complementary

Open in tool →

#b72a62 · #b77e2a

#7e2ab7 · #b7382a · #62b72a

Contrast

#2aa9b7 as textRatioAAAA largeAAAFix
Aaon white
2.82:1failfailfail
  • AA: use #20828d as the text (4.53:1)
  • AAA: use #186068 as the text (7.21:1)
  • AA: or shift the background to #303030 (4.69:1)
  • AAA: or shift the background to #0a0a0a (7.03:1)
Aaon black
7.46:1passpasspassPasses 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 #2aa9b7 as the background.

Brands using this color

Fonts for this mood

#2aa9b7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2aa9b7
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 #2aa9b7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2aa9b7-a2b8be-df4e86-1f262d-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