Color

#12de42

#12de42
hex#12de42
rgbrgb(18, 222, 66)
hslhsl(134, 85%, 47%)
oklchoklch(0.784 0.243 145)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5276

Colors that go with #12de42

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 →

#de12ae

#48de12 · #12dea7

#4212de · #de4212

Split-complementary

Open in tool →

#a712de · #de1248

#1248de · #de12ae · #dea712

Contrast

#12de42 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #0b8928 as the text (4.54:1)
  • AAA: use #08631d as the text (7.47:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.26:1)
Aaon black
11.55:1passpasspassPasses 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 #12de42 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 #12de42
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 #12de42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12de42-a2beac-b559d4-1f2d29-ebf1e9?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