Color

#12d366

#12d366
hex#12d366
rgbrgb(18, 211, 102)
hslhsl(146, 84%, 45%)
oklchoklch(0.759 0.204 150.4)
Closest name: Battletoad (#11cc55)Relative luminance 0.4768

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d31280

#1fd312 · #12d3c6

#6612d3 · #d36612

Split-complementary

Open in tool →

#c612d3 · #d3121f

#121fd3 · #d31280 · #d3c612

Contrast

#12d366 as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #0c8842 as the text (4.55:1)
  • AAA: use #096732 as the text (7.01:1)
  • AA: or shift the background to #474747 (4.66:1)
  • AAA: or shift the background to #2b2b2b (7.1:1)
Aaon black
10.54:1passpasspassPasses 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 #12d366 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 #12d366
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 #12d366 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12d366-a2beb1-ce59d4-1f2d2b-eaf1e9?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