Color

#64d39f

#64d39f
hex#64d39f
rgbrgb(100, 211, 159)
hslhsl(152, 56%, 61%)
oklchoklch(0.788 0.128 161)
Closest name: Crystal Gem (#79d0a7)Relative luminance 0.518

Colors that go with #64d39f

Charcoal, Blue and Crimson 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 →

#d36498

#64d368 · #64d0d3

#9f64d3 · #d39f64

Split-complementary

Open in tool →

#d364d0 · #d36864

#6864d3 · #d36498 · #d0d364

Contrast

#64d39f as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #258357 as the text (4.71:1)
  • AAA: use #1c6342 as the text (7.21:1)
  • AA: or shift the background to #4d4d4d (4.57:1)
  • AAA: or shift the background to #303030 (7.14:1)
Aaon black
11.36:1passpasspassPasses 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 #64d39f 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 #64d39f
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 #64d39f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64d39f-a2beb4-d459ce-1f2d2d-e9f1ea?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