#66EE5C#66EE5C

#66EE5C is a very light, highly saturated green. Relative luminance 0.647; OKLCH L 84.4% C 0.222 H 142.2°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX#66EE5C
RGBrgb(102, 238, 92)
HSLhsl(116, 81%, 65%)
HSVhsv(116, 61%, 93%)
CMYKcmyk(57.1%, 0%, 61.3%, 6.7%)
CIE-LABlab(84.35, -64.26, 58.17)
CIE-LCHlch(84.35, 86.68, 137.85°)
OKLaboklab(84.36% -0.1751 0.1357)
OKLCHoklch(84.36% 0.222 142.2)
XYZxyz(37.9838, 64.7432, 20.6182)
Luminance0.6475 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EE5C #E45CEE
analogous
#AFEE5C #66EE5C #5CEE9B
triadic
#66EE5C #5C66EE #EE5C66
tetradic
#66EE5C #5CAFEE #E45CEE #EE9B5C
square
#66EE5C #5CAFEE #E45CEE #EE9B5C
split-complementary
#66EE5C #9B5CEE #EE5CAF
monochromatic
#1FBC14 #32E825 #66EE5C #9AF493 #CEFACB

Accessibility & contrast

On white

1.51
#66EE5C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.95
#66EE5C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EE5C
13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EE5C#FFFFFF#000000##000000
##66EE5C1.001.5113.9513.95
#FFFFFF1.511.0021.0021.00
#00000013.9521.001.001.00
##00000013.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3DA4B
Deuteranopia (green-blind)
#E2CE68
Tritanopia (blue-blind)
#51E7CF
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #66ee5c;
/* rgb */ color: rgb(102, 238, 92);
/* oklch */ color: oklch(84.4% 0.222 142.2);
Tailwind
colors: {
  custom: {
    50: '#9ef58f',
    500: '#66ee5c',
    950: '#000000',
  },
}
SCSS
$custom: #66ee5c;
$custom-light: #9ef58f;
$custom-dark: #000000;
JSON
{
  "hex": "#66ee5c",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 92
  },
  "hsl": {
    "h": 115.89,
    "s": 81.111,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84364,
    "c": 0.22153,
    "h": 142.2
  },
  "luminance": 0.64747
}

Semantic roles & 50–950 ramp

primary
#66EE5C
secondary
#B133BB
accent
#08DDCF
background
#FCFFFC
surface
#F6FEF4
border
#D0D6CE
text
#10170D
muted
#80857F

Preview Lab

Preview with #66EE5C

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

Preview Lab → · Contrast checker → · Palette generator →

#66EE5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva