Color

#78e291

#78e291
hex#78e291
rgbrgb(120, 226, 145)
hslhsl(134, 65%, 68%)
oklchoklch(0.829 0.151 149.7)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6043

Colors that go with #78e291

Charcoal, Deep Sky 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 →

#e278ca

#95e278 · #78e2c6

#9178e2 · #e29178

Split-complementary

Open in tool →

#c678e2 · #e27895

#7895e2 · #e278ca · #e2c678

Contrast

#78e291 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #1d8735 as the text (4.6:1)
  • AAA: use #156528 as the text (7.18:1)
  • AA: or shift the background to #575757 (4.5:1)
  • AAA: or shift the background to #383838 (7.31:1)
Aaon black
13.09:1passpasspassPasses 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 #78e291 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 #78e291
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 #78e291 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78e291-a2beac-b559d4-1f2d29-ebf1e9?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