Color

#78bb0c

#78bb0c
hex#78bb0c
rgbrgb(120, 187, 12)
hslhsl(83, 88%, 39%)
oklchoklch(0.719 0.193 130.8)
Closest name: Emerald Glitter (#66bb00)Relative luminance 0.3956

Colors that go with #78bb0c

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 →

#4f0cbb

#bba70c · #20bb0c

#0c78bb · #bb0c78

Split-complementary

Open in tool →

#0c20bb · #a70cbb

#0cbba7 · #4f0cbb · #bb0c20

Contrast

#78bb0c as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #538108 as the text (4.65:1)
  • AAA: use #3d6006 as the text (7.31:1)
  • AA: or shift the background to #3d3d3d (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.23:1)
Aaon black
8.91:1passpasspassPasses 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 #78bb0c as the background.

Brands using this color

mcpConnect your agent — build around #78bb0c
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 #78bb0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78bb0c-b0bea2-4e5ddf-222d1f-f1f0e9?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