Color

#12d319

#12d319
hex#12d319
rgbrgb(18, 211, 25)
hslhsl(122, 84%, 45%)
oklchoklch(0.753 0.25 142.8)
Closest name: Candy Green (#33cc00)Relative luminance 0.4679

Colors that go with #12d319

Taupe, Violet and Hot Pink 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 →

#d312cd

#6cd312 · #12d379

#1912d3 · #d31912

Split-complementary

Open in tool →

#7912d3 · #d3126c

#126cd3 · #d312cd · #d37912

Contrast

#12d319 as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #0c8810 as the text (4.62:1)
  • AAA: use #09670c as the text (7.1:1)
  • AA: or shift the background to #474747 (4.58:1)
  • AAA: or shift the background to #292929 (7.18:1)
Aaon black
10.36:1passpasspassPasses 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 #12d319 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 #12d319
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 #12d319 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12d319-a2bea6-9e4edf-1f2d26-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