brandsweets

Color

#03bfb5

#03bfb5
hex#03bfb5
rgbrgb(3, 191, 181)
hslhsl(177, 97%, 38%)
oklchoklch(0.725 0.126 188.1)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4062
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
03bfb5bf030c

#bf030c

Analogous

Open in tool →
03bfb503bf58036abf

#03bf58 · #036abf

Triadic

Open in tool →
03bfb5b503bfbfb503

#b503bf · #bfb503

Split-complementary

Open in tool →
03bfb5bf036abf5803

#bf036a · #bf5803

Tetradic

Open in tool →
03bfb55803bfbf030c6abf03

#5803bf · #bf030c · #6abf03

Contrast

#03bfb5 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #02837c as the text (4.63:1)
  • AAA: use #026460 as the text (7.01:1)
  • AA: or shift the background to #404040 (4.5:1)
  • AAA: or shift the background to #1f1f1f (7.16:1)
Aaon black
9.12:1passpasspassPasses 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 #03bfb5 as the background.

Brands using this color

mcpConnect your agent — build around #03bfb5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #03bfb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03bfb5-a2bcbe-d4599b-1f282d-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