Color

#40d63d

#40d63d
hex#40d63d
rgbrgb(64, 214, 61)
hslhsl(119, 65%, 54%)
oklchoklch(0.769 0.228 142.7)
Closest name: Green Priestess (#11dd55)Relative luminance 0.4952

Colors that go with #40d63d

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 →

#d33dd6

#8cd63d · #3dd687

#3d40d6 · #d63d40

Split-complementary

Open in tool →

#873dd6 · #d63d8c

#3d8cd6 · #d33dd6 · #d6873d

Contrast

#40d63d as textRatioAAAA largeAAAFix
Aaon white
1.93:1failfailfail
  • AA: use #1e871d as the text (4.63:1)
  • AAA: use #176515 as the text (7.22:1)
  • AA: or shift the background to #4a4a4a (4.6:1)
  • AAA: or shift the background to #2e2e2e (7.05:1)
Aaon black
10.9:1passpasspassPasses 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 #40d63d 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 #40d63d
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 #40d63d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40d63d-a2bea5-964edf-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