#66F38D#66F38D

#66F38D is a very light, vivid green. Relative luminance 0.688; OKLCH L 86.3% C 0.187 H 149.8°. Best body text is #000000 at 14.77:1 contrast (WCAG AA passes).

Color values

HEX#66F38D
RGBrgb(102, 243, 141)
HSLhsl(137, 85%, 68%)
HSVhsv(137, 58%, 95%)
CMYKcmyk(58%, 0%, 42%, 4.7%)
CIE-LABlab(86.43, -59.65, 37.98)
CIE-LCHlch(86.43, 70.72, 147.51°)
OKLaboklab(86.26% -0.1613 0.0938)
OKLCHoklch(86.26% 0.187 149.8)
XYZxyz(42.3347, 68.8451, 36.2516)
Luminance0.6885 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F38D #F366CC
analogous
#85F366 #66F38D #66F3D4
triadic
#66F38D #8D66F3 #F38D66
tetradic
#66F38D #6685F3 #F366CC #F3D466
square
#66F38D #6685F3 #F366CC #F3D466
split-complementary
#66F38D #D466F3 #F36685
monochromatic
#10CE45 #2DEF63 #66F38D #9FF7B7 #D7FCE2

Accessibility & contrast

On white

1.42
#66F38D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.77
#66F38D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F38D
14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F38D#FFFFFF#000000##000000
##66F38D1.001.4214.7714.77
#FFFFFF1.421.0021.0021.00
#00000014.7721.001.001.00
##00000014.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5E086
Deuteranopia (green-blind)
#E2D394
Tritanopia (blue-blind)
#3FEFDA
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #66f38d;
/* rgb */ color: rgb(102, 243, 141);
/* oklch */ color: oklch(86.3% 0.187 149.8);
Tailwind
colors: {
  custom: {
    50: '#9df8af',
    500: '#66f38d',
    950: '#000000',
  },
}
SCSS
$custom: #66f38d;
$custom-light: #9df8af;
$custom-dark: #000000;
JSON
{
  "hex": "#66f38d",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 141
  },
  "hsl": {
    "h": 136.596,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86262,
    "c": 0.1866,
    "h": 149.8
  },
  "luminance": 0.68849
}

Semantic roles & 50–950 ramp

primary
#66F38D
secondary
#CA33A0
accent
#04A4E2
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F38D

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

Preview Lab → · Contrast checker → · Palette generator →

#66F38D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva