Color

#12e407

#12e407
hex#12e407
rgbrgb(18, 228, 7)
hslhsl(117, 94%, 46%)
oklchoklch(0.797 0.269 142.4)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5563

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d907e4

#80e407 · #07e46a

#0712e4 · #e40712

Split-complementary

Open in tool →

#6a07e4 · #e40780

#0780e4 · #d907e4 · #e46a07

Contrast

#12e407 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #0b8604 as the text (4.74:1)
  • AAA: use #086803 as the text (7.02:1)
  • AA: or shift the background to #525252 (4.51:1)
  • AAA: or shift the background to #333333 (7.3:1)
Aaon black
12.13:1passpasspassPasses 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 #12e407 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 #12e407
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 #12e407 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e407-a2bea4-924edf-1f2d25-edf1e9?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