Color

#03b59d

#03b59d
hex#03b59d
rgbrgb(3, 181, 157)
hslhsl(172, 97%, 36%)
oklchoklch(0.692 0.126 178.7)
Closest name: Billiard (#00af9f)Relative luminance 0.355

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5031a

#03b544 · #0374b5

#9d03b5 · #b59d03

Split-complementary

Open in tool →

#b50374 · #b54403

#4403b5 · #b5031a · #74b503

Contrast

#03b59d as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #028371 as the text (4.68:1)
  • AAA: use #026457 as the text (7.09:1)
  • AA: or shift the background to #383838 (4.52:1)
  • AAA: or shift the background to #141414 (7.11:1)
Aaon black
8.1:1passpasspassPasses 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 #03b59d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #03b59d
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 #03b59d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03b59d-a2bebe-d459a5-1f292d-e9f1ec?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