#66E450#66E450

#66E450 is a light, highly saturated green. Relative luminance 0.589; OKLCH L 81.8% C 0.218 H 140.9°. Best body text is #000000 at 12.78:1 contrast (WCAG AA passes).

Color values

HEX#66E450
RGBrgb(102, 228, 80)
HSLhsl(111, 73%, 60%)
HSVhsv(111, 65%, 89%)
CMYKcmyk(55.3%, 0%, 64.9%, 10.6%)
CIE-LABlab(81.23, -61.84, 59.67)
CIE-LCHlch(81.23, 85.94, 136.02°)
OKLaboklab(81.76% -0.1692 0.1377)
OKLCHoklch(81.76% 0.218 140.9)
XYZxyz(34.6693, 58.8878, 17.1274)
Luminance0.5889 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E450 #CE50E4
analogous
#B0E450 #66E450 #50E484
triadic
#66E450 #5066E4 #E45066
tetradic
#66E450 #50B0E4 #CE50E4 #E48450
square
#66E450 #50B0E4 #CE50E4 #E48450
split-complementary
#66E450 #8450E4 #E450B0
monochromatic
#2DA119 #3CD621 #66E450 #94EC85 #C3F4BA

Accessibility & contrast

On white

1.64
#66E450 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.78
#66E450 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E450
12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E450#FFFFFF#000000##000000
##66E4501.001.6412.7812.78
#FFFFFF1.641.0021.0021.00
#00000012.7821.001.001.00
##00000012.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#EAD03D
Deuteranopia (green-blind)
#DAC65D
Tritanopia (blue-blind)
#56DDC5
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #66e450;
/* rgb */ color: rgb(102, 228, 80);
/* oklch */ color: oklch(81.8% 0.218 140.9);
Tailwind
colors: {
  custom: {
    50: '#9ded87',
    500: '#66e450',
    950: '#000000',
  },
}
SCSS
$custom: #66e450;
$custom-light: #9ded87;
$custom-dark: #000000;
JSON
{
  "hex": "#66e450",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 80
  },
  "hsl": {
    "h": 111.081,
    "s": 73.267,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81758,
    "c": 0.21814,
    "h": 140.9
  },
  "luminance": 0.58891
}

Semantic roles & 50–950 ramp

primary
#66E450
secondary
#9335A4
accent
#10D5B8
background
#FCFFFC
surface
#F6FEF4
border
#D0D6CE
text
#0F160C
muted
#80857F

Preview Lab

Preview with #66E450

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

Preview Lab → · Contrast checker → · Palette generator →

#66E450 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva