Color

#77dd3c

#77dd3c
hex#77dd3c
rgbrgb(119, 221, 60)
hslhsl(98, 70%, 55%)
oklchoklch(0.805 0.215 136.6)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5596

Colors that go with #77dd3c

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 →

#a23cdd

#c7dd3c · #3cdd51

#3c77dd · #dd3c77

Split-complementary

Open in tool →

#513cdd · #dd3cc7

#3cc7dd · #a23cdd · #dd513c

Contrast

#77dd3c as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #408618 as the text (4.52:1)
  • AAA: use #306412 as the text (7.1:1)
  • AA: or shift the background to #525252 (4.54:1)
  • AAA: or shift the background to #363636 (7.02:1)
Aaon black
12.19:1passpasspassPasses 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 #77dd3c 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 #77dd3c
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 #77dd3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77dd3c-a9bea2-644edf-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