Color

#12ce2b

#12ce2b
hex#12ce2b
rgbrgb(18, 206, 43)
hslhsl(128, 84%, 44%)
oklchoklch(0.74 0.239 143.6)
Closest name: limegreen (#32cd32)Relative luminance 0.4445

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce12b5

#57ce12 · #12ce89

#2b12ce · #ce2b12

Split-complementary

Open in tool →

#8912ce · #ce1257

#1257ce · #ce12b5 · #ce8912

Contrast

#12ce2b as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #0c881c as the text (4.61:1)
  • AAA: use #096716 as the text (7.09:1)
  • AA: or shift the background to #454545 (4.52:1)
  • AAA: or shift the background to #262626 (7.13:1)
Aaon black
9.89:1passpasspassPasses 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 #12ce2b 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 #12ce2b
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 #12ce2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ce2b-a2bea9-ac4edf-1f2d27-ecf1e9?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