Color

#78de12

#78de12
hex#78de12
rgbrgb(120, 222, 18)
hslhsl(90, 85%, 47%)
oklchoklch(0.806 0.231 134.8)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5628

Colors that go with #78de12

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 →

#7812de

#dede12 · #12de12

#1278de · #de1278

Split-complementary

Open in tool →

#1212de · #de12de

#12dede · #7812de · #de1212

Contrast

#78de12 as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #47840b as the text (4.59:1)
  • AAA: use #366308 as the text (7.13:1)
  • AA: or shift the background to #525252 (4.56:1)
  • AAA: or shift the background to #363636 (7.05:1)
Aaon black
12.26:1passpasspassPasses 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 #78de12 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 #78de12
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 #78de12 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78de12-adbea2-514edf-202d1f-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