Color

#12be09

#12be09
hex#12be09
rgbrgb(18, 190, 9)
hslhsl(117, 91%, 39%)
oklchoklch(0.696 0.233 142.3)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3698

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b509be

#6cbe09 · #09be5a

#0912be · #be0912

Split-complementary

Open in tool →

#5a09be · #be096c

#096cbe · #b509be · #be5a09

Contrast

#12be09 as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #0d8806 as the text (4.62:1)
  • AAA: use #0a6605 as the text (7.2:1)
  • AA: or shift the background to #383838 (4.69:1)
  • AAA: or shift the background to #171717 (7.17:1)
Aaon black
8.4:1passpasspassPasses 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 #12be09 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 #12be09
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 #12be09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12be09-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