Color

#12ca46

#12ca46
hex#12ca46
rgbrgb(18, 202, 70)
hslhsl(137, 84%, 43%)
oklchoklch(0.731 0.219 146.1)
Closest name: Alienated (#00cc55)Relative luminance 0.4281

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca1296

#39ca12 · #12caa2

#4612ca · #ca4612

Split-complementary

Open in tool →

#a212ca · #ca1239

#1239ca · #ca1296 · #caa212

Contrast

#12ca46 as textRatioAAAA largeAAAFix
Aaon white
2.2:1failfailfail
  • AA: use #0c882f as the text (4.59:1)
  • AAA: use #096724 as the text (7.05:1)
  • AA: or shift the background to #424242 (4.58:1)
  • AAA: or shift the background to #242424 (7.07:1)
Aaon black
9.56:1passpasspassPasses 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 #12ca46 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 #12ca46
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 #12ca46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ca46-a2bead-bb59d4-1f2d29-ebf1e9?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