Color

#2aa4b2

#2aa4b2
hex#2aa4b2
rgbrgb(42, 164, 178)
hslhsl(186, 62%, 43%)
oklchoklch(0.661 0.103 206.6)
Closest name: Baltic (#279d9f)Relative luminance 0.3026

Colors that go with #2aa4b2

Charcoal, Tomato 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 #2aa4b2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2372a

#2ab27b · #2a60b2

#b22aa4 · #a4b22a

Split-complementary

Open in tool →

#b22a60 · #b27b2a

#7b2ab2 · #b2372a · #60b22a

Contrast

#2aa4b2 as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #21828c as the text (4.53:1)
  • AAA: use #185f67 as the text (7.31:1)
  • AA: or shift the background to #2e2e2e (4.56:1)
  • AAA: or shift the background to #000000 (7.05:1)
Aaon black
7.05:1passpasspassPasses 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 #2aa4b2 as the background.

Brands using this color

Fonts for this mood

#2aa4b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2aa4b2
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 #2aa4b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2aa4b2-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