brandsweets

Color

#13ec51

#13ec51
hex#13ec51
rgbrgb(19, 236, 81)
hslhsl(137, 85%, 50%)
oklchoklch(0.822 0.248 146)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.6072
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
13ec51ec13ae

#ec13ae

Analogous

Open in tool →
13ec5142ec1313ecbd

#42ec13 · #13ecbd

Triadic

Open in tool →
13ec515113ecec5113

#5113ec · #ec5113

Split-complementary

Open in tool →
13ec51bd13ecec1342

#bd13ec · #ec1342

Tetradic

Open in tool →
13ec511342ecec13aeecbd13

#1342ec · #ec13ae · #ecbd13

Contrast

#13ec51 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 (4.52:1)
  • AAA: or shift the background to #3b3b3b (7.01:1)
Aaon black
13.14:1passpasspassPasses 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 #13ec51 as the background.

Brands using this color

mcpConnect your agent — build around #13ec51
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 #13ec51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13ec51-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