Color

#40bf66

#40bf66
hex#40bf66
rgbrgb(64, 191, 102)
hslhsl(138, 50%, 50%)
oklchoklch(0.714 0.169 149.7)
Closest name: Intoxicate (#11bb55)Relative luminance 0.3931

Colors that go with #40bf66

Taupe, Orchid 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.

Real palettes that use #40bf66

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bf4099

#59bf40 · #40bfa6

#6640bf · #bf6640

Split-complementary

Open in tool →

#a640bf · #bf4059

#4059bf · #bf4099 · #bfa640

Contrast

#40bf66 as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #2d8647 as the text (4.55:1)
  • AAA: use #216335 as the text (7.24:1)
  • AA: or shift the background to #3d3d3d (4.58:1)
  • AAA: or shift the background to #1c1c1c (7.19:1)
Aaon black
8.86:1passpasspassPasses 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 #40bf66 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 #40bf66
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 #40bf66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40bf66-a2beae-be59d4-1f2d29-ebf1e9?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