Color

#1ba9bb

#1ba9bb
hex#1ba9bb
rgbrgb(27, 169, 187)
hslhsl(187, 75%, 42%)
oklchoklch(0.674 0.112 208.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.322

Colors that go with #1ba9bb

Charcoal, Tomato and Amber 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 #1ba9bb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb2e1b

#1bbb7e · #1b58bb

#bb1ba9 · #a9bb1b

Split-complementary

Open in tool →

#bb1b58 · #bb7e1b

#7e1bbb · #bb2e1b · #58bb1b

Contrast

#1ba9bb as textRatioAAAA largeAAAFix
Aaon white
2.82:1failfailfail
  • AA: use #14818f as the text (4.6:1)
  • AAA: use #0f606b as the text (7.23:1)
  • AA: or shift the background to #303030 (4.68:1)
  • AAA: or shift the background to #0a0a0a (7.01:1)
Aaon black
7.44:1passpasspassPasses 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 #1ba9bb as the background.

Brands using this color

Fonts for this mood

#1ba9bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1ba9bb
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 #1ba9bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ba9bb-a2b8be-df4e83-1f262d-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