Color

#3eef67

#3eef67
hex#3eef67
rgbrgb(62, 239, 103)
hslhsl(134, 85%, 59%)
oklchoklch(0.837 0.228 146.8)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6374

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef3ec6

#6def3e · #3eefc0

#673eef · #ef673e

Split-complementary

Open in tool →

#c03eef · #ef3e6d

#3e6def · #ef3ec6 · #efc03e

Contrast

#3eef67 as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #0b8928 as the text (4.54:1)
  • AAA: use #08631d as the text (7.47:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.11:1)
Aaon black
13.75:1passpasspassPasses 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 #3eef67 as the background.

Brands using this color

mcpConnect your agent — build around #3eef67
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 #3eef67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eef67-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