Color

#12e258

#12e258
hex#12e258
rgbrgb(18, 226, 88)
hslhsl(140, 85%, 48%)
oklchoklch(0.796 0.232 147.2)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5523

Colors that go with #12e258

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 →

#e2129d

#35e212 · #12e2c0

#5812e2 · #e25812

Split-complementary

Open in tool →

#c012e2 · #e21235

#1235e2 · #e2129d · #e2c012

Contrast

#12e258 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #0b8935 as the text (4.52:1)
  • AAA: use #086326 as the text (7.44:1)
  • AA: or shift the background to #4f4f4f (4.7:1)
  • AAA: or shift the background to #333333 (7.25:1)
Aaon black
12.05:1passpasspassPasses 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 #12e258 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 #12e258
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 #12e258 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e258-a2beaf-c259d4-1f2d2a-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