Color

#2a9da7

#2a9da7
hex#2a9da7
rgbrgb(42, 157, 167)
hslhsl(185, 60%, 41%)
oklchoklch(0.639 0.099 203.7)
Closest name: Baltic (#279d9f)Relative luminance 0.274

Colors that go with #2a9da7

Charcoal, Red 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 #2a9da7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a7342a

#2aa773 · #2a5ea7

#a72a9d · #9da72a

Split-complementary

Open in tool →

#a72a5e · #a7732a

#732aa7 · #a7342a · #5ea72a

Contrast

#2a9da7 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #23828b as the text (4.53:1)
  • AAA: use #1a6066 as the text (7.22:1)
  • AA: or shift the background to #262626 (4.67:1)
Aaon black
6.48:1passpassfail
  • AAA: use #2ca4af as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a9da7 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

#2a9da7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a9da7
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 #2a9da7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a9da7-a2b8be-df4e88-1f262d-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