Color

#78d855

#78d855
hex#78d855
rgbrgb(120, 216, 85)
hslhsl(104, 63%, 59%)
oklchoklch(0.796 0.191 138.3)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5376

Colors that go with #78d855

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 →

#b555d8

#bad855 · #55d873

#5578d8 · #d85578

Split-complementary

Open in tool →

#7355d8 · #d855ba

#55bad8 · #b555d8 · #d87355

Contrast

#78d855 as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #3a851e as the text (4.61:1)
  • AAA: use #2b6417 as the text (7.15:1)
  • AA: or shift the background to #4f4f4f (4.58:1)
  • AAA: or shift the background to #333333 (7.07:1)
Aaon black
11.75:1passpasspassPasses 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 #78d855 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 #78d855
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 #78d855 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78d855-a6bea2-724edf-1f2d22-eff1e9?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