Color

#12af73

#12af73
hex#12af73
rgbrgb(18, 175, 115)
hslhsl(157, 81%, 38%)
oklchoklch(0.666 0.148 159.6)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3203

Colors that go with #12af73

Charcoal, Blue and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af124f

#12af25 · #129daf

#7312af · #af7312

Split-complementary

Open in tool →

#af129d · #af2512

#2512af · #af124f · #9daf12

Contrast

#12af73 as textRatioAAAA largeAAAFix
Aaon white
2.84:1failfailfail
  • AA: use #0e8658 as the text (4.6:1)
  • AAA: use #0b6643 as the text (7.01:1)
  • AA: or shift the background to #303030 (4.65:1)
  • AAA: or shift the background to #080808 (7.06:1)
Aaon black
7.41:1passpasspassPasses 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 #12af73 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 #12af73
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #12af73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12af73-a2beb7-d459c4-1f2c2d-e9f1ea?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