Color

#77fb18

#77fb18
hex#77fb18
rgbrgb(119, 251, 24)
hslhsl(95, 97%, 54%)
oklchoklch(0.878 0.261 137)
Closest name: lawngreen (#7cfc00)Relative luminance 0.7298

Colors that go with #77fb18

Violet, Charcoal and Deep Sky Blue 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 →

#9d18fb

#e9fb18 · #18fb2b

#1877fb · #fb1877

Split-complementary

Open in tool →

#2b18fb · #fb18e9

#18e9fb · #9d18fb · #fb2b18

Contrast

#77fb18 as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #388302 as the text (4.76:1)
  • AAA: use #2b6402 as the text (7.18:1)
  • AA: or shift the background to #616161 (4.6:1)
  • AAA: or shift the background to #454545 (7.12:1)
Aaon black
15.6:1passpasspassPasses 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 #77fb18 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 #77fb18
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 #77fb18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77fb18-aabea2-5d4edf-1f2d20-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