Color

#03aa43

#03aa43
hex#03aa43
rgbrgb(3, 170, 67)
hslhsl(143, 97%, 34%)
oklchoklch(0.644 0.186 147.8)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2917

Colors that go with #03aa43

Charcoal, Blue and Royal Blue 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 →

#ab036a

#16ab03 · #03ab97

#4303ab · #ab4303

Split-complementary

Open in tool →

#9703ab · #ab0316

#0316ab · #ab036a · #ab9703

Contrast

#03aa43 as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #028835 as the text (4.59:1)
  • AAA: use #026427 as the text (7.36:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.83:1passpassfail
  • AAA: use #03b045 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03aa43 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 #03aa43
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 #03aa43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03aa43-a2beb0-c859d4-1f2d2b-eaf1e9?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