Color

#40d600

#40d600
hex#40d600
rgbrgb(64, 214, 0)
hslhsl(102, 100%, 42%)
oklchoklch(0.767 0.248 140.2)
Closest name: Candy Green (#33cc00)Relative luminance 0.4918

Colors that go with #40d600

Taupe, Violet and Hot Pink 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 →

#9600d6

#abd600 · #00d62b

#0040d6 · #d60040

Split-complementary

Open in tool →

#2b00d6 · #d600ab

#00abd6 · #9600d6 · #d62b00

Contrast

#40d600 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #288500 as the text (4.72:1)
  • AAA: use #1f6600 as the text (7.1:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7.01:1)
Aaon black
10.84:1passpasspassPasses 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 #40d600 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 #40d600
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 #40d600 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40d600-a7bea2-6e4edf-1f2d21-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