Color

#43aa3c

#43aa3c
hex#43aa3c
rgbrgb(67, 170, 60)
hslhsl(116, 48%, 45%)
oklchoklch(0.654 0.176 142.3)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3027

Colors that go with #43aa3c

Blue, Charcoal 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 →

#a23caa

#7aaa3c · #3caa6b

#3c43aa · #aa3c43

Split-complementary

Open in tool →

#6b3caa · #aa3c7a

#3c7aaa · #a23caa · #aa6b3c

Contrast

#43aa3c as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #34842e as the text (4.68:1)
  • AAA: use #276222 as the text (7.35:1)
  • AA: or shift the background to #2e2e2e (4.56:1)
  • AAA: or shift the background to #000000 (7.05:1)
Aaon black
7.05:1passpasspassPasses 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 #43aa3c as the background.

Brands using this color

mcpConnect your agent — build around #43aa3c
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 #43aa3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43aa3c-a2bea3-8f4edf-1f2d24-eef1e9?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