Color

#0b9da8

#0b9da8
hex#0b9da8
rgbrgb(11, 157, 168)
hslhsl(184, 88%, 35%)
oklchoklch(0.635 0.107 203.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2701

Colors that go with #0b9da8

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 #0b9da8

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a8150b

#0ba864 · #0b4fa8

#a80b9d · #9da80b

Split-complementary

Open in tool →

#a80b4f · #a8640b

#640ba8 · #a8150b · #4fa80b

Contrast

#0b9da8 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #09828b as the text (4.59:1)
  • AAA: use #076369 as the text (7.01:1)
  • AA: or shift the background to #262626 (4.61:1)
Aaon black
6.4:1passpassfail
  • AAA: use #0ba6b1 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b9da8 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

#0b9da8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b9da8
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 #0b9da8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b9da8-a2b9be-df4e8a-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