Color

#40ba4a

#40ba4a
hex#40ba4a
rgbrgb(64, 186, 74)
hslhsl(125, 49%, 49%)
oklchoklch(0.697 0.187 144.5)
Closest name: Intoxicate (#11bb55)Relative luminance 0.367

Colors that go with #40ba4a

Charcoal, Royal Blue and Taupe 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 →

#ba40b0

#73ba40 · #40ba87

#4a40ba · #ba4a40

Split-complementary

Open in tool →

#8740ba · #ba4073

#4073ba · #ba40b0 · #ba8740

Contrast

#40ba4a as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #2e8535 as the text (4.64:1)
  • AAA: use #226327 as the text (7.29:1)
  • AA: or shift the background to #383838 (4.66:1)
  • AAA: or shift the background to #171717 (7.12:1)
Aaon black
8.34:1passpasspassPasses 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 #40ba4a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #40ba4a
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 #40ba4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40ba4a-a2bea7-a54edf-1f2d26-ecf1e9?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