#66E997#66E997

#66E997 is a very light, vivid green. Relative luminance 0.633; OKLCH L 84.0% C 0.164 H 153.4°. Best body text is #000000 at 13.67:1 contrast (WCAG AA passes).

Color values

HEX#66E997
RGBrgb(102, 233, 151)
HSLhsl(142, 75%, 66%)
HSVhsv(142, 56%, 91%)
CMYKcmyk(56.2%, 0%, 35.2%, 8.6%)
CIE-LABlab(83.62, -54.06, 29.26)
CIE-LCHlch(83.62, 61.47, 151.58°)
OKLaboklab(84.01% -0.1467 0.0734)
OKLCHoklch(84.01% 0.164 153.4)
XYZxyz(40.2012, 63.3333, 39.3782)
Luminance0.6334 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E997 #E966B8
analogous
#76E966 #66E997 #66E9D9
triadic
#66E997 #9766E9 #E99766
tetradic
#66E997 #6676E9 #E966B8 #E9D966
square
#66E997 #6676E9 #E966B8 #E9D966
split-complementary
#66E997 #D966E9 #E96676
monochromatic
#1BBA56 #30E173 #66E997 #9CF1BB #D1F8E0

Accessibility & contrast

On white

1.54
#66E997 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.67
#66E997 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E997
13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E997#FFFFFF#000000##000000
##66E9971.001.5413.6713.67
#FFFFFF1.541.0021.0021.00
#00000013.6721.001.001.00
##00000013.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D892
Deuteranopia (green-blind)
#D7CB9C
Tritanopia (blue-blind)
#3FE6D4
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #66e997;
/* rgb */ color: rgb(102, 233, 151);
/* oklch */ color: oklch(84.0% 0.164 153.4);
Tailwind
colors: {
  custom: {
    50: '#9cf1b6',
    500: '#66e997',
    950: '#000000',
  },
}
SCSS
$custom: #66e997;
$custom-light: #9cf1b6;
$custom-dark: #000000;
JSON
{
  "hex": "#66e997",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 151
  },
  "hsl": {
    "h": 142.443,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.84009,
    "c": 0.16408,
    "h": 153.4
  },
  "luminance": 0.63337
}

Semantic roles & 50–950 ramp

primary
#66E997
secondary
#B93A8A
accent
#0E8CD7
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0F1711
muted
#808581

Preview Lab

Preview with #66E997

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

Preview Lab → · Contrast checker → · Palette generator →

#66E997 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva