Color

#64d129

#64d129
hex#64d129
rgbrgb(100, 209, 41)
hslhsl(99, 67%, 49%)
oklchoklch(0.766 0.219 137.5)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4847

Colors that go with #64d129

Violet, Hot Pink and Dark Orange 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 →

#9629d1

#b8d129 · #29d142

#2964d1 · #d12964

Split-complementary

Open in tool →

#4229d1 · #d129b8

#29b8d1 · #9629d1 · #d14229

Contrast

#64d129 as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #3f841a as the text (4.64:1)
  • AAA: use #2f6213 as the text (7.3:1)
  • AA: or shift the background to #4a4a4a (4.51:1)
  • AAA: or shift the background to #2b2b2b (7.21:1)
Aaon black
10.69:1passpasspassPasses 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 #64d129 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 #64d129
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 #64d129 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64d129-a8bea2-664edf-1f2d21-f0f1e9?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