#66E98F#66E98F

#66E98F is a very light, vivid green. Relative luminance 0.631; OKLCH L 83.9% C 0.171 H 151.2°. Best body text is #000000 at 13.62:1 contrast (WCAG AA passes).

Color values

HEX#66E98F
RGBrgb(102, 233, 143)
HSLhsl(139, 75%, 66%)
HSVhsv(139, 56%, 91%)
CMYKcmyk(56.2%, 0%, 38.6%, 8.6%)
CIE-LABlab(83.49, -55.46, 33.14)
CIE-LCHlch(83.49, 64.61, 149.14°)
OKLaboklab(83.86% -0.1502 0.0825)
OKLCHoklch(83.86% 0.171 151.2)
XYZxyz(39.5734, 63.0822, 36.0719)
Luminance0.6309 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E98F #E966C0
analogous
#7EE966 #66E98F #66E9D1
triadic
#66E98F #8F66E9 #E98F66
tetradic
#66E98F #667EE9 #E966C0 #E9D166
square
#66E98F #667EE9 #E966C0 #E9D166
split-complementary
#66E98F #D166E9 #E9667E
monochromatic
#1BBA4D #30E168 #66E98F #9CF1B6 #D1F8DD

Accessibility & contrast

On white

1.54
#66E98F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.62
#66E98F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E98F
13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E98F#FFFFFF#000000##000000
##66E98F1.001.5413.6213.62
#FFFFFF1.541.0021.0021.00
#00000013.6221.001.001.00
##00000013.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#EAD889
Deuteranopia (green-blind)
#D8CB95
Tritanopia (blue-blind)
#42E6D2
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #66e98f;
/* rgb */ color: rgb(102, 233, 143);
/* oklch */ color: oklch(83.9% 0.171 151.2);
Tailwind
colors: {
  custom: {
    50: '#9cf1b0',
    500: '#66e98f',
    950: '#000000',
  },
}
SCSS
$custom: #66e98f;
$custom-light: #9cf1b0;
$custom-dark: #000000;
JSON
{
  "hex": "#66e98f",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 143
  },
  "hsl": {
    "h": 138.779,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.83857,
    "c": 0.17139,
    "h": 151.2
  },
  "luminance": 0.63086
}

Semantic roles & 50–950 ramp

primary
#66E98F
secondary
#B93A91
accent
#0E98D7
background
#FCFFFD
surface
#F5FEF7
border
#CFD6D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66E98F

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

Preview Lab → · Contrast checker → · Palette generator →

#66E98F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva