Color

#12db00

#12db00
hex#12db00
rgbrgb(18, 219, 0)
hslhsl(115, 100%, 43%)
oklchoklch(0.773 0.262 142.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5079

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c900db

#80db00 · #00db5b

#0012db · #db0012

Split-complementary

Open in tool →

#5b00db · #db0080

#0080db · #c900db · #db5b00

Contrast

#12db00 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #0b8a00 as the text (4.52:1)
  • AAA: use #086600 as the text (7.21:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.16:1passpasspassPasses 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 #12db00 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 #12db00
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 #12db00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12db00-a2bea3-8d4edf-1f2d24-eef1e9?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