Color

#12ab54

#12ab54
hex#12ab54
rgbrgb(18, 171, 84)
hslhsl(146, 81%, 37%)
oklchoklch(0.65 0.172 150.8)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2989

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab1269

#1cab12 · #12aba1

#5412ab · #ab5412

Split-complementary

Open in tool →

#a112ab · #ab121c

#121cab · #ab1269 · #aba112

Contrast

#12ab54 as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #0e8642 as the text (4.66:1)
  • AAA: use #0b6632 as the text (7.09:1)
  • AA: or shift the background to #2e2e2e (4.51:1)
Aaon black
6.98:1passpassfail
  • AAA: use #12af56 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12ab54 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 #12ab54
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 #12ab54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ab54-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