#66C334#66C334

#66C334 is a light, vivid yellow-green. Relative luminance 0.421; OKLCH L 73.2% C 0.197 H 137.0°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX#66C334
RGBrgb(102, 195, 52)
HSLhsl(99, 58%, 48%)
HSVhsv(99, 73%, 76%)
CMYKcmyk(47.7%, 0%, 73.3%, 23.5%)
CIE-LABlab(70.94, -51.78, 59.59)
CIE-LCHlch(70.94, 78.95, 130.99°)
OKLaboklab(73.22% -0.1437 0.1341)
OKLCHoklch(73.22% 0.197 137)
XYZxyz(25.6137, 42.1012, 10.0248)
Luminance0.4210 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C334 #9134C3
analogous
#ADC334 #66C334 #34C349
triadic
#66C334 #3466C3 #C33466
tetradic
#66C334 #34ADC3 #9134C3 #C34934
square
#66C334 #34ADC3 #9134C3 #C34934
split-complementary
#66C334 #4934C3 #C334AD
monochromatic
#33621A #4D9327 #66C334 #89D560 #ACE190

Accessibility & contrast

On white

2.23
#66C334 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.42
#66C334 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C334
9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C334#FFFFFF#000000##000000
##66C3341.002.239.429.42
#FFFFFF2.231.0021.0021.00
#0000009.4221.001.001.00
##0000009.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CAB218
Deuteranopia (green-blind)
#BDAB42
Tritanopia (blue-blind)
#61BCA7
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #66c334;
/* rgb */ color: rgb(102, 195, 52);
/* oklch */ color: oklch(73.2% 0.197 137.0);
Tailwind
colors: {
  custom: {
    50: '#9ad675',
    500: '#66c334',
    950: '#000000',
  },
}
SCSS
$custom: #66c334;
$custom-light: #9ad675;
$custom-dark: #000000;
JSON
{
  "hex": "#66c334",
  "rgb": {
    "r": 102,
    "g": 195,
    "b": 52
  },
  "hsl": {
    "h": 99.021,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.73223,
    "c": 0.19652,
    "h": 137
  },
  "luminance": 0.42103
}

Semantic roles & 50–950 ramp

primary
#66C334
secondary
#B487CC
accent
#47E1AB
background
#FAFDF7
surface
#F3FAED
border
#CDD3C8
text
#0F1409
muted
#7F837B

Preview Lab

Preview with #66C334

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

Preview Lab → · Contrast checker → · Palette generator →

#66C334 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva