Color

#02b9ca

#02b9ca
hex#02b9ca
rgbrgb(2, 185, 202)
hslhsl(185, 98%, 40%)
oklchoklch(0.718 0.123 206.5)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3898

Colors that go with #02b9ca

Charcoal, Midnight Blue and Mustard Yellow 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca1302

#02ca77 · #0255ca

#ca02b9 · #b9ca02

Split-complementary

Open in tool →

#ca0255 · #ca7702

#7702ca · #ca1302 · #55ca02

Contrast

#02b9ca as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #01828d as the text (4.59:1)
  • AAA: use #01616a as the text (7.19:1)
  • AA: or shift the background to #3d3d3d (4.55:1)
  • AAA: or shift the background to #1c1c1c (7.14:1)
Aaon black
8.8:1passpasspassPasses 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 #02b9ca as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#02b9ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02b9ca
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 #02b9ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02b9ca-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