#66EF69#66EF69

#66EF69 is a very light, highly saturated green. Relative luminance 0.656; OKLCH L 84.8% C 0.213 H 143.8°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX#66EF69
RGBrgb(102, 239, 105)
HSLhsl(121, 81%, 67%)
HSVhsv(121, 57%, 94%)
CMYKcmyk(57.3%, 0%, 56.1%, 6.3%)
CIE-LABlab(84.78, -63.18, 52.99)
CIE-LCHlch(84.78, 82.47, 140.01°)
OKLaboklab(84.76% -0.1716 0.1257)
OKLCHoklch(84.76% 0.213 143.8)
XYZxyz(38.8936, 65.5742, 23.9693)
Luminance0.6558 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EF69 #EF66EC
analogous
#A8EF66 #66EF69 #66EFAE
triadic
#66EF69 #6966EF #EF6966
tetradic
#66EF69 #66A8EF #EF66EC #EFAE66
square
#66EF69 #66A8EF #EF66EC #EFAE66
split-complementary
#66EF69 #AE66EF #EF66A8
monochromatic
#15C619 #2FE933 #66EF69 #9DF59F #D5FBD6

Accessibility & contrast

On white

1.49
#66EF69 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.12
#66EF69 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF69
14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EF69#FFFFFF#000000##000000
##66EF691.001.4914.1214.12
#FFFFFF1.491.0021.0021.00
#00000014.1221.001.001.00
##00000014.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3DB5C
Deuteranopia (green-blind)
#E2CF73
Tritanopia (blue-blind)
#4EE9D1
Achromatopsia (no color)
#D4D4D4

Design tokens & code

CSS
--color: #66ef69;
/* rgb */ color: rgb(102, 239, 105);
/* oklch */ color: oklch(84.8% 0.213 143.8);
Tailwind
colors: {
  custom: {
    50: '#9ef597',
    500: '#66ef69',
    950: '#000000',
  },
}
SCSS
$custom: #66ef69;
$custom-light: #9ef597;
$custom-dark: #000000;
JSON
{
  "hex": "#66ef69",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 105
  },
  "hsl": {
    "h": 121.314,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.84758,
    "c": 0.21267,
    "h": 143.8
  },
  "luminance": 0.65578
}

Semantic roles & 50–950 ramp

primary
#66EF69
secondary
#C336C0
accent
#08D9DD
background
#FCFFFC
surface
#F6FFF5
border
#D0D7CF
text
#10170E
muted
#80857F

Preview Lab

Preview with #66EF69

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

Preview Lab → · Contrast checker → · Palette generator →

#66EF69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva