Color

#03ba09

#03ba09
hex#03ba09
rgbrgb(3, 186, 9)
hslhsl(122, 97%, 37%)
oklchoklch(0.684 0.231 142.6)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3516

Colors that go with #03ba09

Taupe, Fuchsia and Hot Pink 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 →

#ba03b4

#58ba03 · #03ba64

#0903ba · #ba0903

Split-complementary

Open in tool →

#6403ba · #ba0358

#0358ba · #ba03b4 · #ba6403

Contrast

#03ba09 as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #028807 as the text (4.64:1)
  • AAA: use #026405 as the text (7.43:1)
  • AA: or shift the background to #363636 (4.62:1)
  • AAA: or shift the background to #141414 (7.05:1)
Aaon black
8.03:1passpasspassPasses 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 #03ba09 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 #03ba09
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 #03ba09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03ba09-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