#66DC5A#66DC5A

#66DC5A is a light, highly saturated green. Relative luminance 0.547; OKLCH L 79.9% C 0.201 H 141.8°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX#66DC5A
RGBrgb(102, 220, 90)
HSLhsl(114, 65%, 61%)
HSVhsv(114, 59%, 86%)
CMYKcmyk(53.6%, 0%, 59.1%, 13.7%)
CIE-LABlab(78.90, -57.91, 52.83)
CIE-LCHlch(78.90, 78.39, 137.62°)
OKLaboklab(79.86% -0.1579 0.1241)
OKLCHoklch(79.86% 0.201 141.8)
XYZxyz(32.9166, 54.7467, 18.5035)
Luminance0.5475 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DC5A #D05ADC
analogous
#A7DC5A #66DC5A #5ADC8F
triadic
#66DC5A #5A66DC #DC5A66
tetradic
#66DC5A #5AA7DC #D05ADC #DC8F5A
square
#66DC5A #5AA7DC #D05ADC #DC8F5A
split-complementary
#66DC5A #8F5ADC #DC5AA7
monochromatic
#2C9B21 #3ACD2C #66DC5A #95E78C #C4F1BF

Accessibility & contrast

On white

1.76
#66DC5A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.95
#66DC5A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC5A
11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DC5A#FFFFFF#000000##000000
##66DC5A1.001.7611.9511.95
#FFFFFF1.761.0021.0021.00
#00000011.9521.001.001.00
##00000011.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1CA4C
Deuteranopia (green-blind)
#D2BF64
Tritanopia (blue-blind)
#56D6C0
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #66dc5a;
/* rgb */ color: rgb(102, 220, 90);
/* oklch */ color: oklch(79.9% 0.201 141.8);
Tailwind
colors: {
  custom: {
    50: '#9be88d',
    500: '#66dc5a',
    950: '#000000',
  },
}
SCSS
$custom: #66dc5a;
$custom-light: #9be88d;
$custom-dark: #000000;
JSON
{
  "hex": "#66dc5a",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 90
  },
  "hsl": {
    "h": 114.462,
    "s": 65,
    "l": 60.784
  },
  "oklch": {
    "l": 0.79864,
    "c": 0.20088,
    "h": 141.8
  },
  "luminance": 0.54749
}

Semantic roles & 50–950 ramp

primary
#66DC5A
secondary
#963B9F
accent
#19CDBC
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0F160C
muted
#80847F

Preview Lab

Preview with #66DC5A

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

Preview Lab → · Contrast checker → · Palette generator →

#66DC5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva