#66E54C#66E54C

#66E54C is a light, highly saturated green. Relative luminance 0.594; OKLCH L 82.0% C 0.222 H 140.5°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX#66E54C
RGBrgb(102, 229, 76)
HSLhsl(110, 75%, 60%)
HSVhsv(110, 67%, 90%)
CMYKcmyk(55.5%, 0%, 66.8%, 10.2%)
CIE-LABlab(81.50, -62.56, 61.55)
CIE-LCHlch(81.50, 87.77, 135.46°)
OKLaboklab(81.97% -0.1713 0.1412)
OKLCHoklch(81.97% 0.222 140.5)
XYZxyz(34.8017, 59.3822, 16.4641)
Luminance0.5938 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E54C #CB4CE5
analogous
#B2E54C #66E54C #4CE57F
triadic
#66E54C #4C66E5 #E54C66
tetradic
#66E54C #4CB2E5 #CB4CE5 #E57F4C
square
#66E54C #4CB2E5 #CB4CE5 #E57F4C
split-complementary
#66E54C #7F4CE5 #E54CB2
monochromatic
#2E9F17 #3ED51F #66E54C #94ED81 #C1F5B7

Accessibility & contrast

On white

1.63
#66E54C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.88
#66E54C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E54C
12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E54C#FFFFFF#000000##000000
##66E54C1.001.6312.8812.88
#FFFFFF1.631.0021.0021.00
#00000012.8821.001.001.00
##00000012.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#EBD137
Deuteranopia (green-blind)
#DBC65A
Tritanopia (blue-blind)
#56DEC6
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #66e54c;
/* rgb */ color: rgb(102, 229, 76);
/* oklch */ color: oklch(82.0% 0.222 140.5);
Tailwind
colors: {
  custom: {
    50: '#9dee85',
    500: '#66e54c',
    950: '#000000',
  },
}
SCSS
$custom: #66e54c;
$custom-light: #9dee85;
$custom-dark: #000000;
JSON
{
  "hex": "#66e54c",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 76
  },
  "hsl": {
    "h": 109.804,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.81971,
    "c": 0.22204,
    "h": 140.5
  },
  "luminance": 0.59385
}

Semantic roles & 50–950 ramp

primary
#66E54C
secondary
#8F33A2
accent
#37F1D2
background
#FCFFFC
surface
#F6FEF3
border
#D0D6CD
text
#0F160C
muted
#80857F

Preview Lab

Preview with #66E54C

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

Preview Lab → · Contrast checker → · Palette generator →

#66E54C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva