#66EC9D#66EC9D

#66EC9D is a very light, vivid green. Relative luminance 0.652; OKLCH L 84.9% C 0.163 H 154.8°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX#66EC9D
RGBrgb(102, 236, 157)
HSLhsl(145, 78%, 66%)
HSVhsv(145, 57%, 93%)
CMYKcmyk(56.8%, 0%, 33.5%, 7.5%)
CIE-LABlab(84.61, -54.17, 27.54)
CIE-LCHlch(84.61, 60.77, 153.05°)
OKLaboklab(84.86% -0.1472 0.0693)
OKLCHoklch(84.86% 0.163 154.8)
XYZxyz(41.5574, 65.2461, 42.2955)
Luminance0.6525 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EC9D #EC66B5
analogous
#72EC66 #66EC9D #66ECE0
triadic
#66EC9D #9D66EC #EC9D66
tetradic
#66EC9D #6672EC #EC66B5 #ECE066
square
#66EC9D #6672EC #EC66B5 #ECE066
split-complementary
#66EC9D #E066EC #EC6672
monochromatic
#18C05D #30E57A #66EC9D #9CF3C0 #D3FAE3

Accessibility & contrast

On white

1.49
#66EC9D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.05
#66EC9D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC9D
14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EC9D#FFFFFF#000000##000000
##66EC9D1.001.4914.0514.05
#FFFFFF1.491.0021.0021.00
#00000014.0521.001.001.00
##00000014.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#EBDB98
Deuteranopia (green-blind)
#D9CEA2
Tritanopia (blue-blind)
#3AEAD7
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #66ec9d;
/* rgb */ color: rgb(102, 236, 157);
/* oklch */ color: oklch(84.9% 0.163 154.8);
Tailwind
colors: {
  custom: {
    50: '#9cf3ba',
    500: '#66ec9d',
    950: '#000000',
  },
}
SCSS
$custom: #66ec9d;
$custom-light: #9cf3ba;
$custom-dark: #000000;
JSON
{
  "hex": "#66ec9d",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 157
  },
  "hsl": {
    "h": 144.627,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84856,
    "c": 0.16274,
    "h": 154.8
  },
  "luminance": 0.6525
}

Semantic roles & 50–950 ramp

primary
#66EC9D
secondary
#BE3887
accent
#0B85DA
background
#FCFFFD
surface
#F6FEF8
border
#D0D6D1
text
#0F1711
muted
#808581

Preview Lab

Preview with #66EC9D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#66EC9D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva