#66E56B#66E56B

#66E56B is a very light, vivid green. Relative luminance 0.599; OKLCH L 82.3% C 0.198 H 144.2°. Best body text is #000000 at 12.99:1 contrast (WCAG AA passes).

Color values

HEX#66E56B
RGBrgb(102, 229, 107)
HSLhsl(122, 71%, 65%)
HSVhsv(122, 55%, 90%)
CMYKcmyk(55.5%, 0%, 53.3%, 10.2%)
CIE-LABlab(81.80, -59.27, 48.53)
CIE-LCHlch(81.80, 76.60, 140.69°)
OKLaboklab(82.31% -0.1609 0.1161)
OKLCHoklch(82.31% 0.198 144.2)
XYZxyz(36.1506, 59.9218, 23.5681)
Luminance0.5992 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E56B #E566E0
analogous
#A1E566 #66E56B #66E5AA
triadic
#66E56B #6B66E5 #E56B66
tetradic
#66E56B #66A1E5 #E566E0 #E5AA66
square
#66E56B #66A1E5 #E566E0 #E5AA66
split-complementary
#66E56B #AA66E5 #E566A1
monochromatic
#1EB224 #32DC38 #66E56B #9AEE9E #CFF7D0

Accessibility & contrast

On white

1.62
#66E56B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.99
#66E56B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E56B
12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E56B#FFFFFF#000000##000000
##66E56B1.001.6212.9912.99
#FFFFFF1.621.0021.0021.00
#00000012.9921.001.001.00
##00000012.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D260
Deuteranopia (green-blind)
#D8C774
Tritanopia (blue-blind)
#50DFC9
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #66e56b;
/* rgb */ color: rgb(102, 229, 107);
/* oklch */ color: oklch(82.3% 0.198 144.2);
Tailwind
colors: {
  custom: {
    50: '#9cee98',
    500: '#66e56b',
    950: '#000000',
  },
}
SCSS
$custom: #66e56b;
$custom-light: #9cee98;
$custom-dark: #000000;
JSON
{
  "hex": "#66e56b",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 107
  },
  "hsl": {
    "h": 122.362,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82309,
    "c": 0.19837,
    "h": 144.2
  },
  "luminance": 0.59925
}

Semantic roles & 50–950 ramp

primary
#66E56B
secondary
#B33CAE
accent
#13CBD3
background
#FCFFFC
surface
#F6FEF5
border
#D0D6CF
text
#0F160E
muted
#80857F

Preview Lab

Preview with #66E56B

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

Preview Lab → · Contrast checker → · Palette generator →

#66E56B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva