Color

#03bf19

#03bf19
hex#03bf19
rgbrgb(3, 191, 25)
hslhsl(127, 97%, 38%)
oklchoklch(0.698 0.232 143.1)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3735

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf03a9

#4bbf03 · #03bf77

#1903bf · #bf1903

Split-complementary

Open in tool →

#7703bf · #bf034b

#034bbf · #bf03a9 · #bf7703

Contrast

#03bf19 as textRatioAAAA largeAAAFix
Aaon white
2.48:1failfailfail
  • AA: use #028812 as the text (4.63:1)
  • AAA: use #02640d as the text (7.42:1)
  • AA: or shift the background to #3b3b3b (4.52:1)
  • AAA: or shift the background to #1a1a1a (7.02:1)
Aaon black
8.47:1passpasspassPasses 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 #03bf19 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 #03bf19
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 #03bf19 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03bf19-a2bea8-aa4edf-1f2d27-ecf1e9?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