Color

#78f000

#78f000
hex#78f000
rgbrgb(120, 240, 0)
hslhsl(90, 100%, 47%)
oklchoklch(0.851 0.253 135.9)
Closest name: lawngreen (#7cfc00)Relative luminance 0.6631

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7800f0

#f0f000 · #00f000

#0078f0 · #f00078

Split-complementary

Open in tool →

#0000f0 · #f000f0

#00f0f0 · #7800f0 · #f00000

Contrast

#78f000 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #428500 as the text (4.58:1)
  • AAA: use #306100 as the text (7.41:1)
  • AA: or shift the background to #5c5c5c (4.54:1)
  • AAA: or shift the background to #404040 (7.04:1)
Aaon black
14.26:1passpasspassPasses 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 #78f000 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 #78f000
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #78f000 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78f000-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