Color

#2b9ca6

#2b9ca6
hex#2b9ca6
rgbrgb(43, 156, 166)
hslhsl(185, 59%, 41%)
oklchoklch(0.636 0.098 203.8)
Closest name: Baltic (#279d9f)Relative luminance 0.2704

Colors that go with #2b9ca6

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 #2b9ca6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6352b

#2ba673 · #2b5ea6

#a62b9c · #9ca62b

Split-complementary

Open in tool →

#a62b5e · #a6732b

#732ba6 · #a6352b · #5ea62b

Contrast

#2b9ca6 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #24818a as the text (4.58:1)
  • AAA: use #1a5f65 as the text (7.32:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #2da4ae as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b9ca6 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

#2b9ca6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b9ca6
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 #2b9ca6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b9ca6-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