Color

#43aa27

#43aa27
hex#43aa27
rgbrgb(67, 170, 39)
hslhsl(107, 63%, 41%)
oklchoklch(0.653 0.19 140)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3009

Colors that go with #43aa27

Blue, Dodger 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 →

#8e27aa

#85aa27 · #27aa4c

#2743aa · #aa2743

Split-complementary

Open in tool →

#4c27aa · #aa2785

#2785aa · #8e27aa · #aa4c27

Contrast

#43aa27 as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #34851e as the text (4.65:1)
  • AAA: use #276417 as the text (7.19:1)
  • AA: or shift the background to #2e2e2e (4.54:1)
  • AAA: or shift the background to #000000 (7.02:1)
Aaon black
7.02:1passpasspassPasses 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 #43aa27 as the background.

Brands using this color

mcpConnect your agent — build around #43aa27
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 #43aa27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43aa27-a5bea2-7a4edf-1f2d22-eff1e9?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