#66F58D#66F58D

#66F58D is a very light, vivid green. Relative luminance 0.701; OKLCH L 86.7% C 0.189 H 149.7°. Best body text is #000000 at 15.01:1 contrast (WCAG AA passes).

Color values

HEX#66F58D
RGBrgb(102, 245, 141)
HSLhsl(136, 88%, 68%)
HSVhsv(136, 58%, 96%)
CMYKcmyk(58.4%, 0%, 42.4%, 3.9%)
CIE-LABlab(87.02, -60.41, 38.75)
CIE-LCHlch(87.02, 71.77, 147.32°)
OKLaboklab(86.75% -0.1633 0.0955)
OKLCHoklch(86.75% 0.189 149.7)
XYZxyz(42.9365, 70.0486, 36.4522)
Luminance0.7005 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F58D #F566CE
analogous
#86F566 #66F58D #66F5D5
triadic
#66F58D #8D66F5 #F58D66
tetradic
#66F58D #6686F5 #F566CE #F5D566
square
#66F58D #6686F5 #F566CE #F5D566
split-complementary
#66F58D #D566F5 #F56686
monochromatic
#0ED344 #2DF162 #66F58D #9FF9B8 #D9FDE3

Accessibility & contrast

On white

1.40
#66F58D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.01
#66F58D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F58D
15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F58D#FFFFFF#000000##000000
##66F58D1.001.4015.0115.01
#FFFFFF1.401.0021.0021.00
#00000015.0121.001.001.00
##00000015.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7E285
Deuteranopia (green-blind)
#E4D594
Tritanopia (blue-blind)
#3FF1DC
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #66f58d;
/* rgb */ color: rgb(102, 245, 141);
/* oklch */ color: oklch(86.7% 0.189 149.7);
Tailwind
colors: {
  custom: {
    50: '#9ef9af',
    500: '#66f58d',
    950: '#000000',
  },
}
SCSS
$custom: #66f58d;
$custom-light: #9ef9af;
$custom-dark: #000000;
JSON
{
  "hex": "#66f58d",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 141
  },
  "hsl": {
    "h": 136.364,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86749,
    "c": 0.18923,
    "h": 149.7
  },
  "luminance": 0.70053
}

Semantic roles & 50–950 ramp

primary
#66F58D
secondary
#CE31A3
accent
#01A6E4
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F58D

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

Preview Lab → · Contrast checker → · Palette generator →

#66F58D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva