Color

#78cd0a

#78cd0a
hex#78cd0a
rgbrgb(120, 205, 10)
hslhsl(86, 91%, 42%)
oklchoklch(0.764 0.214 133.1)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4768

Colors that go with #78cd0a

Taupe, Violet and Hot Pink 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 →

#5e0acd

#cdc00a · #17cd0a

#0a78cd · #cd0a78

Split-complementary

Open in tool →

#0a17cd · #c00acd

#0acdc0 · #5e0acd · #cd0a17

Contrast

#78cd0a as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #4d8406 as the text (4.55:1)
  • AAA: use #396105 as the text (7.28:1)
  • AA: or shift the background to #474747 (4.66:1)
  • AAA: or shift the background to #2b2b2b (7.1:1)
Aaon black
10.54:1passpasspassPasses 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 #78cd0a 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 #78cd0a
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 #78cd0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78cd0a-afbea2-4e56df-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