Color

#12ab8a

#12ab8a
hex#12ab8a
rgbrgb(18, 171, 138)
hslhsl(167, 81%, 37%)
oklchoklch(0.662 0.125 172.1)
Closest name: Herbal (#29ab87)Relative luminance 0.3109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab1233

#12ab3d · #127fab

#8a12ab · #ab8a12

Split-complementary

Open in tool →

#ab127f · #ab3d12

#3d12ab · #ab1233 · #7fab12

Contrast

#12ab8a as textRatioAAAA largeAAAFix
Aaon white
2.91:1failfailfail
  • AA: use #0e866c as the text (4.52:1)
  • AAA: use #0a614e as the text (7.41:1)
  • AA: or shift the background to #303030 (4.54:1)
  • AAA: or shift the background to #050505 (7.01:1)
Aaon black
7.22:1passpasspassPasses 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 #12ab8a 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 #12ab8a
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 #12ab8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ab8a-a2bebb-d459af-1f2a2d-e9f1ec?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