Color

#03bfbf

#03bfbf
hex#03bfbf
rgbrgb(3, 191, 191)
hslhsl(180, 97%, 38%)
oklchoklch(0.729 0.124 194.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4104

Colors that go with #03bfbf

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 →

#bf0303

#03bf61 · #0361bf

#bf03bf · #bfbf03

Split-complementary

Open in tool →

#bf0361 · #bf6103

#6103bf · #bf0303 · #61bf03

Contrast

#03bfbf as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #028383 as the text (4.59:1)
  • AAA: use #015f5f as the text (7.49:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.06:1)
Aaon black
9.21:1passpasspassPasses 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 #03bfbf as the background.

Brands using this color

Fonts for this mood

#03bfbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03bfbf
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 #03bfbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03bfbf-a2bbbe-d45994-1f272d-e9f1ed?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