Color

#64cf5e

#64cf5e
hex#64cf5e
rgbrgb(100, 207, 94)
hslhsl(117, 54%, 59%)
oklchoklch(0.766 0.182 142.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4814

Colors that go with #64cf5e

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 →

#c95ecf

#9ccf5e · #5ecf91

#5e64cf · #cf5e64

Split-complementary

Open in tool →

#915ecf · #cf5e9c

#5e9ccf · #c95ecf · #cf915e

Contrast

#64cf5e as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #2d8628 as the text (4.61:1)
  • AAA: use #22661e as the text (7.03:1)
  • AA: or shift the background to #474747 (4.7:1)
  • AAA: or shift the background to #2b2b2b (7.17:1)
Aaon black
10.63:1passpasspassPasses 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 #64cf5e 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 #64cf5e
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 #64cf5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64cf5e-a2bea4-924edf-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