#66F59D#66F59D

#66F59D is a very light, vivid green. Relative luminance 0.706; OKLCH L 87.0% C 0.175 H 153.5°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX#66F59D
RGBrgb(102, 245, 157)
HSLhsl(143, 88%, 68%)
HSVhsv(143, 58%, 96%)
CMYKcmyk(58.4%, 0%, 35.9%, 3.9%)
CIE-LABlab(87.27, -57.72, 31.11)
CIE-LCHlch(87.27, 65.57, 151.67°)
OKLaboklab(87.04% -0.1565 0.0779)
OKLCHoklch(87.04% 0.175 153.5)
XYZxyz(44.2142, 70.5597, 43.1811)
Luminance0.7056 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F59D #F566BE
analogous
#76F566 #66F59D #66F5E4
triadic
#66F59D #9D66F5 #F59D66
tetradic
#66F59D #6676F5 #F566BE #F5E466
square
#66F59D #6676F5 #F566BE #F5E466
split-complementary
#66F59D #E466F5 #F56676
monochromatic
#0ED35A #2DF178 #66F59D #9FF9C2 #D9FDE7

Accessibility & contrast

On white

1.39
#66F59D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.11
#66F59D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F59D
15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F59D#FFFFFF#000000##000000
##66F59D1.001.3915.1115.11
#FFFFFF1.391.0021.0021.00
#00000015.1121.001.001.00
##00000015.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5E397
Deuteranopia (green-blind)
#E2D5A3
Tritanopia (blue-blind)
#36F2DF
Achromatopsia (no color)
#DBDBDB

Design tokens & code

CSS
--color: #66f59d;
/* rgb */ color: rgb(102, 245, 157);
/* oklch */ color: oklch(87.0% 0.175 153.5);
Tailwind
colors: {
  custom: {
    50: '#9df9ba',
    500: '#66f59d',
    950: '#000000',
  },
}
SCSS
$custom: #66f59d;
$custom-light: #9df9ba;
$custom-dark: #000000;
JSON
{
  "hex": "#66f59d",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 157
  },
  "hsl": {
    "h": 143.077,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87036,
    "c": 0.17482,
    "h": 153.5
  },
  "luminance": 0.70564
}

Semantic roles & 50–950 ramp

primary
#66F59D
secondary
#CE3192
accent
#018DE4
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1712
muted
#808582

Preview Lab

Preview with #66F59D

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

Preview Lab → · Contrast checker → · Palette generator →

#66F59D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva