Color

#18ec54

#18ec54
hex#18ec54
rgbrgb(24, 236, 84)
hslhsl(137, 85%, 51%)
oklchoklch(0.822 0.245 146.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.6083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec18b0

#46ec18 · #18ecbe

#5418ec · #ec5418

Split-complementary

Open in tool →

#be18ec · #ec1846

#1846ec · #ec18b0 · #ecbe18

Contrast

#18ec54 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #0b892f as the text (4.53:1)
  • AAA: use #086322 as the text (7.45:1)
  • AA: or shift the background to #575757 (4.53:1)
  • AAA: or shift the background to #3b3b3b (7.02:1)
Aaon black
13.17:1passpasspassPasses 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 #18ec54 as the background.

Brands using this color

mcpConnect your agent — build around #18ec54
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 #18ec54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18ec54-a2bead-bb59d4-1f2d29-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