Color

#77d42b

#77d42b
hex#77d42b
rgbrgb(119, 212, 43)
hslhsl(93, 66%, 50%)
oklchoklch(0.782 0.213 134.9)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.5118

Colors that go with #77d42b

Deep Sky Blue, Taupe and Violet 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 →

#882bd4

#cbd42b · #2bd434

#2b77d4 · #d42b77

Split-complementary

Open in tool →

#342bd4 · #d42bcb

#2bcbd4 · #882bd4 · #d4342b

Contrast

#77d42b as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #4a831b as the text (4.61:1)
  • AAA: use #376114 as the text (7.29:1)
  • AA: or shift the background to #4d4d4d (4.52:1)
  • AAA: or shift the background to #303030 (7.06:1)
Aaon black
11.24:1passpasspassPasses 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 #77d42b as the background.

Brands using this color

mcpConnect your agent — build around #77d42b
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 #77d42b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77d42b-abbea2-584edf-202d1f-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