Color

#78d97b

#78d97b
hex#78d97b
rgbrgb(120, 217, 123)
hslhsl(122, 56%, 66%)
oklchoklch(0.803 0.159 144.5)
Closest name: Fluorescence (#89d178)Relative luminance 0.5505

Colors that go with #78d97b

Blue, 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 →

#d978d6

#a5d978 · #78d9ac

#7b78d9 · #d97b78

Split-complementary

Open in tool →

#ac78d9 · #d978a5

#78a5d9 · #d978d6 · #d9ac78

Contrast

#78d97b as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #268729 as the text (4.59:1)
  • AAA: use #1c631e as the text (7.36:1)
  • AA: or shift the background to #4f4f4f (4.68:1)
  • AAA: or shift the background to #333333 (7.23:1)
Aaon black
12.01:1passpasspassPasses 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 #78d97b 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 #78d97b
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 #78d97b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78d97b-a2bea6-9e4edf-1f2d26-edf1e9?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