Color

#78bb2a

#78bb2a
hex#78bb2a
rgbrgb(120, 187, 42)
hslhsl(88, 63%, 45%)
oklchoklch(0.72 0.183 131.9)
Closest name: Emerald Glitter (#66bb00)Relative luminance 0.397

Colors that go with #78bb2a

Charcoal, Royal 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 →

#6e2abb

#bbb62a · #2fbb2a

#2a78bb · #bb2a78

Split-complementary

Open in tool →

#2a2fbb · #b62abb

#2abbb6 · #6e2abb · #bb2a2f

Contrast

#78bb2a as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #52811d as the text (4.65:1)
  • AAA: use #3d6016 as the text (7.28:1)
  • AA: or shift the background to #3d3d3d (4.62:1)
  • AAA: or shift the background to #1f1f1f (7.02:1)
Aaon black
8.94:1passpasspassPasses 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 #78bb2a as the background.

Brands using this color

mcpConnect your agent — build around #78bb2a
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 #78bb2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78bb2a-aebea2-4e51df-212d1f-f1f1e9?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