Color

#43a040

#43a040
hex#43a040
rgbrgb(67, 160, 64)
hslhsl(118, 43%, 44%)
oklchoklch(0.628 0.16 142.9)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2671

Colors that go with #43a040

Charcoal, Blue and Crimson 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 →

#9d40a0

#73a040 · #40a06d

#4043a0 · #a04043

Split-complementary

Open in tool →

#6d40a0 · #a04073

#4073a0 · #9d40a0 · #a06d40

Contrast

#43a040 as textRatioAAAA largeAAAFix
Aaon white
3.31:1failpassfail
  • AA: use #378334 as the text (4.71:1)
  • AAA: use #296227 as the text (7.32:1)
  • AA: or shift the background to #262626 (4.57:1)
Aaon black
6.34:1passpassfail
  • AAA: use #48ab44 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43a040 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 #43a040
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 #43a040 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43a040-a2bea4-944edf-1f2d25-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