#66F97B#66F97B

#66F97B is a very light, highly saturated green. Relative luminance 0.720; OKLCH L 87.5% C 0.210 H 146.1°. Best body text is #000000 at 15.40:1 contrast (WCAG AA passes).

Color values

HEX#66F97B
RGBrgb(102, 249, 123)
HSLhsl(129, 92%, 69%)
HSVhsv(129, 59%, 98%)
CMYKcmyk(59%, 0%, 50.6%, 2.4%)
CIE-LABlab(87.97, -64.52, 48.58)
CIE-LCHlch(87.97, 80.77, 143.02°)
OKLaboklab(87.45% -0.1746 0.1171)
OKLCHoklch(87.45% 0.21 146.1)
XYZxyz(42.9276, 72.0021, 30.3706)
Luminance0.7201 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F97B #F966E4
analogous
#9BF966 #66F97B #66F9C4
triadic
#66F97B #7B66F9 #F97B66
tetradic
#66F97B #669BF9 #F966E4 #F9C466
square
#66F97B #669BF9 #F966E4 #F9C466
split-complementary
#66F97B #C466F9 #F9669B
monochromatic
#09DC27 #2BF748 #66F97B #A1FBAE #DCFEE1

Accessibility & contrast

On white

1.36
#66F97B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.40
#66F97B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F97B
15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F97B#FFFFFF#000000##000000
##66F97B1.001.3615.4015.40
#FFFFFF1.361.0021.0021.00
#00000015.4021.001.001.00
##00000015.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#FCE570
Deuteranopia (green-blind)
#EAD884
Tritanopia (blue-blind)
#45F4DC
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #66f97b;
/* rgb */ color: rgb(102, 249, 123);
/* oklch */ color: oklch(87.5% 0.210 146.1);
Tailwind
colors: {
  custom: {
    50: '#9ffca3',
    500: '#66f97b',
    950: '#000000',
  },
}
SCSS
$custom: #66f97b;
$custom-light: #9ffca3;
$custom-dark: #000000;
JSON
{
  "hex": "#66f97b",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 123
  },
  "hsl": {
    "h": 128.571,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87452,
    "c": 0.21023,
    "h": 146.1
  },
  "luminance": 0.72006
}

Semantic roles & 50–950 ramp

primary
#66F97B
secondary
#D330BC
accent
#00C5E6
background
#FDFFFC
surface
#F7FFF6
border
#D0D7D0
text
#10180F
muted
#818680

Preview Lab

Preview with #66F97B

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

Preview Lab → · Contrast checker → · Palette generator →

#66F97B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva