#66EF74#66EF74

#66EF74 is a very light, highly saturated green. Relative luminance 0.658; OKLCH L 84.9% C 0.204 H 145.4°. Best body text is #000000 at 14.16:1 contrast (WCAG AA passes).

Color values

HEX#66EF74
RGBrgb(102, 239, 116)
HSLhsl(126, 81%, 67%)
HSVhsv(126, 57%, 94%)
CMYKcmyk(57.3%, 0%, 51.5%, 6.3%)
CIE-LABlab(84.90, -61.81, 48.10)
CIE-LCHlch(84.90, 78.32, 142.11°)
OKLaboklab(84.9% -0.1674 0.1157)
OKLCHoklch(84.9% 0.204 145.4)
XYZxyz(39.4960, 65.8151, 27.1418)
Luminance0.6582 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EF74 #EF66E1
analogous
#9DEF66 #66EF74 #66EFB8
triadic
#66EF74 #7466EF #EF7466
tetradic
#66EF74 #669DEF #EF66E1 #EFB866
square
#66EF74 #669DEF #EF66E1 #EFB866
split-complementary
#66EF74 #B866EF #EF669D
monochromatic
#15C627 #2FE942 #66EF74 #9DF5A6 #D5FBD9

Accessibility & contrast

On white

1.48
#66EF74 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.16
#66EF74 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF74
14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EF74#FFFFFF#000000##000000
##66EF741.001.4814.1614.16
#FFFFFF1.481.0021.0021.00
#00000014.1621.001.001.00
##00000014.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3DB69
Deuteranopia (green-blind)
#E1CF7D
Tritanopia (blue-blind)
#4AE9D3
Achromatopsia (no color)
#D4D4D4

Design tokens & code

CSS
--color: #66ef74;
/* rgb */ color: rgb(102, 239, 116);
/* oklch */ color: oklch(84.9% 0.204 145.4);
Tailwind
colors: {
  custom: {
    50: '#9df59e',
    500: '#66ef74',
    950: '#000000',
  },
}
SCSS
$custom: #66ef74;
$custom-light: #9df59e;
$custom-dark: #000000;
JSON
{
  "hex": "#66ef74",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 116
  },
  "hsl": {
    "h": 126.131,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.84899,
    "c": 0.20351,
    "h": 145.4
  },
  "luminance": 0.65819
}

Semantic roles & 50–950 ramp

primary
#66EF74
secondary
#C336B5
accent
#08C8DD
background
#FCFFFC
surface
#F6FFF5
border
#D0D7CF
text
#0F170F
muted
#808580

Preview Lab

Preview with #66EF74

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

Preview Lab → · Contrast checker → · Palette generator →

#66EF74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva