Color

#03bf09

#03bf09
hex#03bf09
rgbrgb(3, 191, 9)
hslhsl(122, 97%, 38%)
oklchoklch(0.698 0.236 142.6)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.373

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf03b9

#5bbf03 · #03bf67

#0903bf · #bf0903

Split-complementary

Open in tool →

#6703bf · #bf035b

#035bbf · #bf03b9 · #bf6703

Contrast

#03bf09 as textRatioAAAA largeAAAFix
Aaon white
2.48:1failfailfail
  • AA: use #028807 as the text (4.64:1)
  • AAA: use #026405 as the text (7.43:1)
  • AA: or shift the background to #3b3b3b (4.51:1)
  • AAA: or shift the background to #1a1a1a (7.01:1)
Aaon black
8.46:1passpasspassPasses 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 #03bf09 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 #03bf09
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 #03bf09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03bf09-a2bea6-9e4edf-1f2d26-edf1e9?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