Color

#78be55

#78be55
hex#78be55
rgbrgb(120, 190, 85)
hslhsl(100, 45%, 54%)
oklchoklch(0.732 0.156 136.4)
Closest name: Bermudagrass (#6bc271)Relative luminance 0.4148

Colors that go with #78be55

Charcoal, Dark Olive Green and Royal 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 →

#9b55be

#adbe55 · #55be67

#5578be · #be5578

Split-complementary

Open in tool →

#6755be · #be55ad

#55adbe · #9b55be · #be6755

Contrast

#78be55 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #4c8131 as the text (4.68:1)
  • AAA: use #386024 as the text (7.33:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.13:1)
Aaon black
9.3:1passpasspassPasses 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 #78be55 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #78be55
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 #78be55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78be55-a8bea2-694edf-1f2d21-f0f1e9?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