#66CD99#66CD99

#66CD99 is a light, vivid green. Relative luminance 0.488; OKLCH L 77.2% C 0.123 H 159.5°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX#66CD99
RGBrgb(102, 205, 153)
HSLhsl(150, 51%, 60%)
HSVhsv(150, 50%, 80%)
CMYKcmyk(50.2%, 0%, 25.4%, 19.6%)
CIE-LABlab(75.32, -41.98, 16.87)
CIE-LCHlch(75.32, 45.25, 158.10°)
OKLaboklab(77.24% -0.1155 0.0431)
OKLCHoklch(77.24% 0.123 159.5)
XYZxyz(33.0579, 48.7846, 37.8051)
Luminance0.4879 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CD99 #CD669A
analogous
#66CD66 #66CD99 #66CDCD
triadic
#66CD99 #9966CD #CD9966
tetradic
#66CD99 #6666CD #CD669A #CDCD66
square
#66CD99 #6666CD #CD669A #CDCD66
split-complementary
#66CD99 #CD66CD #CD6666
monochromatic
#2D8B5C #3DB97A #66CD99 #94DCB8 #C2EBD7

Accessibility & contrast

On white

1.95
#66CD99 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.76
#66CD99 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD99
10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CD99#FFFFFF#000000##000000
##66CD991.001.9510.7610.76
#FFFFFF1.951.0021.0021.00
#00000010.7621.001.001.00
##00000010.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBC096
Deuteranopia (green-blind)
#BCB59C
Tritanopia (blue-blind)
#47CCBF
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #66cd99;
/* rgb */ color: rgb(102, 205, 153);
/* oklch */ color: oklch(77.2% 0.123 159.5);
Tailwind
colors: {
  custom: {
    50: '#98ddb7',
    500: '#66cd99',
    950: '#000000',
  },
}
SCSS
$custom: #66cd99;
$custom-light: #98ddb7;
$custom-dark: #000000;
JSON
{
  "hex": "#66cd99",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 153
  },
  "hsl": {
    "h": 149.709,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.77241,
    "c": 0.12325,
    "h": 159.5
  },
  "luminance": 0.48787
}

Semantic roles & 50–950 ramp

primary
#66CD99
secondary
#DBB4C8
accent
#2773BE
background
#F9FDFB
surface
#F2FBF6
border
#CCD4D0
text
#0E1511
muted
#7E8380

Preview Lab

Preview with #66CD99

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

Preview Lab → · Contrast checker → · Palette generator →

#66CD99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva