Color

#77d331

#77d331
hex#77d331
rgbrgb(119, 211, 49)
hslhsl(94, 65%, 51%)
oklchoklch(0.78 0.209 135.1)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.5073

Colors that go with #77d331

Deep Sky Blue, 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 →

#8d31d3

#c8d331 · #31d33c

#3177d3 · #d33177

Split-complementary

Open in tool →

#3c31d3 · #d331c8

#31c8d3 · #8d31d3 · #d33c31

Contrast

#77d331 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #48821c as the text (4.68:1)
  • AAA: use #366115 as the text (7.3:1)
  • AA: or shift the background to #4a4a4a (4.7:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.15:1passpasspassPasses 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 #77d331 as the background.

Brands using this color

mcpConnect your agent — build around #77d331
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 #77d331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77d331-abbea2-5a4edf-1f2d1f-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