#66EAA3#66EAA3

#66EAA3 is a very light, vivid green. Relative luminance 0.643; OKLCH L 84.5% C 0.155 H 157.1°. Best body text is #000000 at 13.86:1 contrast (WCAG AA passes).

Color values

HEX#66EAA3
RGBrgb(102, 234, 163)
HSLhsl(148, 76%, 66%)
HSVhsv(148, 56%, 92%)
CMYKcmyk(56.4%, 0%, 30.3%, 8.2%)
CIE-LABlab(84.13, -52.23, 23.80)
CIE-LCHlch(84.13, 57.40, 155.50°)
OKLaboklab(84.5% -0.1425 0.0603)
OKLCHoklch(84.5% 0.155 157.1)
XYZxyz(41.5097, 64.3109, 44.8690)
Luminance0.6431 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EAA3 #EA66AD
analogous
#6BEA66 #66EAA3 #66EAE5
triadic
#66EAA3 #A366EA #EAA366
tetradic
#66EAA3 #666BEA #EA66AD #EAE566
square
#66EAA3 #666BEA #EA66AD #EAE566
split-complementary
#66EAA3 #E566EA #EA666B
monochromatic
#1ABC65 #30E383 #66EAA3 #9CF1C3 #D2F9E4

Accessibility & contrast

On white

1.51
#66EAA3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.86
#66EAA3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EAA3
13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EAA3#FFFFFF#000000##000000
##66EAA31.001.5113.8613.86
#FFFFFF1.511.0021.0021.00
#00000013.8621.001.001.00
##00000013.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9DA9F
Deuteranopia (green-blind)
#D6CDA7
Tritanopia (blue-blind)
#37E8D7
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #66eaa3;
/* rgb */ color: rgb(102, 234, 163);
/* oklch */ color: oklch(84.5% 0.155 157.1);
Tailwind
colors: {
  custom: {
    50: '#9cf1be',
    500: '#66eaa3',
    950: '#000000',
  },
}
SCSS
$custom: #66eaa3;
$custom-light: #9cf1be;
$custom-dark: #000000;
JSON
{
  "hex": "#66eaa3",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 163
  },
  "hsl": {
    "h": 147.727,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84496,
    "c": 0.15471,
    "h": 157.1
  },
  "luminance": 0.64315
}

Semantic roles & 50–950 ramp

primary
#66EAA3
secondary
#BB397F
accent
#0D7AD8
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0F1712
muted
#808582

Preview Lab

Preview with #66EAA3

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

Preview Lab → · Contrast checker → · Palette generator →

#66EAA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva