Color

#40af3c

#40af3c
hex#40af3c
rgbrgb(64, 175, 60)
hslhsl(118, 49%, 46%)
oklchoklch(0.667 0.184 142.7)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3208

Colors that go with #40af3c

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 →

#ab3caf

#79af3c · #3caf71

#3c40af · #af3c40

Split-complementary

Open in tool →

#713caf · #af3c79

#3c79af · #ab3caf · #af713c

Contrast

#40af3c as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #30852e as the text (4.65:1)
  • AAA: use #246322 as the text (7.28:1)
  • AA: or shift the background to #303030 (4.66:1)
  • AAA: or shift the background to #080808 (7.07:1)
Aaon black
7.42:1passpasspassPasses 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 #40af3c as the background.

Brands using this color

mcpConnect your agent — build around #40af3c
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 #40af3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40af3c-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