Color

#64bf40

#64bf40
hex#64bf40
rgbrgb(100, 191, 64)
hslhsl(103, 50%, 50%)
oklchoklch(0.722 0.185 138.1)
Closest name: Exit Light (#55bb33)Relative luminance 0.4034

Colors that go with #64bf40

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 →

#9b40bf

#a4bf40 · #40bf5b

#4064bf · #bf4064

Split-complementary

Open in tool →

#5b40bf · #bf40a4

#40a4bf · #9b40bf · #bf5b40

Contrast

#64bf40 as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #44822b as the text (4.69:1)
  • AAA: use #346321 as the text (7.11:1)
  • AA: or shift the background to #3d3d3d (4.69:1)
  • AAA: or shift the background to #1f1f1f (7.12:1)
Aaon black
9.07:1passpasspassPasses 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 #64bf40 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #64bf40
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 #64bf40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64bf40-a6bea2-704edf-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