Color

#40a32e

#40a32e
hex#40a32e
rgbrgb(64, 163, 46)
hslhsl(111, 56%, 41%)
oklchoklch(0.633 0.179 140.8)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2748

Colors that go with #40a32e

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 →

#922ea3

#7aa32e · #2ea357

#2e40a3 · #a32e40

Split-complementary

Open in tool →

#572ea3 · #a32e7a

#2e7aa3 · #922ea3 · #a3572e

Contrast

#40a32e as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #358726 as the text (4.52:1)
  • AAA: use #27631c as the text (7.27:1)
  • AA: or shift the background to #292929 (4.5:1)
Aaon black
6.5:1passpassfail
  • AAA: use #43ab30 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a32e 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 #40a32e
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 #40a32e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a32e-a3bea2-834edf-1f2d23-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