#66E799#66E799

#66E799 is a very light, vivid green. Relative luminance 0.623; OKLCH L 83.6% C 0.160 H 154.3°. Best body text is #000000 at 13.46:1 contrast (WCAG AA passes).

Color values

HEX#66E799
RGBrgb(102, 231, 153)
HSLhsl(144, 73%, 65%)
HSVhsv(144, 56%, 91%)
CMYKcmyk(55.8%, 0%, 33.8%, 9.4%)
CIE-LABlab(83.06, -52.90, 27.49)
CIE-LCHlch(83.06, 59.62, 152.54°)
OKLaboklab(83.56% -0.1438 0.0692)
OKLCHoklch(83.56% 0.16 154.3)
XYZxyz(39.8020, 62.2729, 40.0532)
Luminance0.6228 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E799 #E766B4
analogous
#73E766 #66E799 #66E7D9
triadic
#66E799 #9966E7 #E79966
tetradic
#66E799 #6673E7 #E766B4 #E7D966
square
#66E799 #6673E7 #E766B4 #E7D966
split-complementary
#66E799 #D966E7 #E76673
monochromatic
#1DB659 #31DF76 #66E799 #9BEFBC #D0F8E0

Accessibility & contrast

On white

1.56
#66E799 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.46
#66E799 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E799
13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E799#FFFFFF#000000##000000
##66E7991.001.5613.4613.46
#FFFFFF1.561.0021.0021.00
#00000013.4621.001.001.00
##00000013.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#E7D694
Deuteranopia (green-blind)
#D5CA9E
Tritanopia (blue-blind)
#3EE5D3
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #66e799;
/* rgb */ color: rgb(102, 231, 153);
/* oklch */ color: oklch(83.6% 0.160 154.3);
Tailwind
colors: {
  custom: {
    50: '#9befb7',
    500: '#66e799',
    950: '#000000',
  },
}
SCSS
$custom: #66e799;
$custom-light: #9befb7;
$custom-dark: #000000;
JSON
{
  "hex": "#66e799",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 153
  },
  "hsl": {
    "h": 143.721,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83562,
    "c": 0.15954,
    "h": 154.3
  },
  "luminance": 0.62277
}

Semantic roles & 50–950 ramp

primary
#66E799
secondary
#B63B85
accent
#1187D5
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0F1611
muted
#808581

Preview Lab

Preview with #66E799

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

Preview Lab → · Contrast checker → · Palette generator →

#66E799 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva