#66F588#66F588

#66F588 is a very light, vivid green. Relative luminance 0.699; OKLCH L 86.7% C 0.194 H 148.6°. Best body text is #000000 at 14.98:1 contrast (WCAG AA passes).

Color values

HEX#66F588
RGBrgb(102, 245, 136)
HSLhsl(134, 88%, 68%)
HSVhsv(134, 58%, 96%)
CMYKcmyk(58.4%, 0%, 44.5%, 3.9%)
CIE-LABlab(86.95, -61.19, 41.10)
CIE-LCHlch(86.95, 73.71, 146.11°)
OKLaboklab(86.67% -0.1654 0.1008)
OKLCHoklch(86.67% 0.194 148.6)
XYZxyz(42.5729, 69.9032, 34.5369)
Luminance0.6991 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F588 #F566D3
analogous
#8BF566 #66F588 #66F5D0
triadic
#66F588 #8866F5 #F58866
tetradic
#66F588 #668BF5 #F566D3 #F5D066
square
#66F588 #668BF5 #F566D3 #F5D066
split-complementary
#66F588 #D066F5 #F5668B
monochromatic
#0ED33D #2DF15B #66F588 #9FF9B5 #D9FDE1

Accessibility & contrast

On white

1.40
#66F588 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.98
#66F588 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F588
14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F588#FFFFFF#000000##000000
##66F5881.001.4014.9814.98
#FFFFFF1.401.0021.0021.00
#00000014.9821.001.001.00
##00000014.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7E280
Deuteranopia (green-blind)
#E4D58F
Tritanopia (blue-blind)
#41F1DB
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #66f588;
/* rgb */ color: rgb(102, 245, 136);
/* oklch */ color: oklch(86.7% 0.194 148.6);
Tailwind
colors: {
  custom: {
    50: '#9ef9ac',
    500: '#66f588',
    950: '#000000',
  },
}
SCSS
$custom: #66f588;
$custom-light: #9ef9ac;
$custom-dark: #000000;
JSON
{
  "hex": "#66f588",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 136
  },
  "hsl": {
    "h": 134.266,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86667,
    "c": 0.19371,
    "h": 148.6
  },
  "luminance": 0.69907
}

Semantic roles & 50–950 ramp

primary
#66F588
secondary
#CE31A9
accent
#01AEE4
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F588

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

Preview Lab → · Contrast checker → · Palette generator →

#66F588 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva