Color

#77cf99

#77cf99
hex#77cf99
rgbrgb(119, 207, 153)
hslhsl(143, 48%, 64%)
oklchoklch(0.785 0.116 155.6)
Closest name: Crystal Gem (#79d0a7)Relative luminance 0.5085

Colors that go with #77cf99

Charcoal, Plum and 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 →

#cf77ad

#81cf77 · #77cfc5

#9977cf · #cf9977

Split-complementary

Open in tool →

#c577cf · #cf7781

#7781cf · #cf77ad · #cfc577

Contrast

#77cf99 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #2e844f as the text (4.64:1)
  • AAA: use #22623b as the text (7.3:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.02:1)
Aaon black
11.17:1passpasspassPasses 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 #77cf99 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 #77cf99
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 #77cf99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77cf99-a2beb0-c859d4-1f2d2b-eaf1e9?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