Color

#78d73c

#78d73c
hex#78d73c
rgbrgb(120, 215, 60)
hslhsl(97, 66%, 54%)
oklchoklch(0.791 0.207 136)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5292

Colors that go with #78d73c

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 →

#9c3cd7

#c5d73c · #3cd74e

#3c78d7 · #d73c78

Split-complementary

Open in tool →

#4e3cd7 · #d73cc5

#3cc5d7 · #9c3cd7 · #d74e3c

Contrast

#78d73c as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #43831b as the text (4.67:1)
  • AAA: use #326114 as the text (7.35:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.28:1)
Aaon black
11.58:1passpasspassPasses 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 #78d73c 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 #78d73c
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 #78d73c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78d73c-a9bea2-624edf-1f2d20-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