#66BF22#66BF22

#66BF22 is a light, highly saturated yellow-green. Relative luminance 0.402; OKLCH L 72.1% C 0.201 H 135.6°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX#66BF22
RGBrgb(102, 191, 34)
HSLhsl(94, 70%, 44%)
HSVhsv(94, 82%, 75%)
CMYKcmyk(46.6%, 0%, 82.2%, 25.1%)
CIE-LABlab(69.61, -51.25, 63.89)
CIE-LCHlch(69.61, 81.90, 128.74°)
OKLaboklab(72.1% -0.1433 0.1405)
OKLCHoklch(72.1% 0.201 135.6)
XYZxyz(24.3984, 40.2003, 7.9869)
Luminance0.4020 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BF22 #7B22BF
analogous
#B5BF22 #66BF22 #22BF2D
triadic
#66BF22 #2266BF #BF2266
tetradic
#66BF22 #22B5BF #7B22BF #BF2D22
square
#66BF22 #22B5BF #7B22BF #BF2D22
split-complementary
#66BF22 #2D22BF #BF22B5
monochromatic
#2F5710 #4A8B19 #66BF22 #85DD41 #A6E675

Accessibility & contrast

On white

2.32
#66BF22 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.04
#66BF22 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF22
9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BF22#FFFFFF#000000##000000
##66BF221.002.329.049.04
#FFFFFF2.321.0021.0021.00
#0000009.0421.001.001.00
##0000009.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C6AF00
Deuteranopia (green-blind)
#BAA736
Tritanopia (blue-blind)
#63B8A3
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #66bf22;
/* rgb */ color: rgb(102, 191, 34);
/* oklch */ color: oklch(72.1% 0.201 135.6);
Tailwind
colors: {
  custom: {
    50: '#9ad36c',
    500: '#66bf22',
    950: '#000000',
  },
}
SCSS
$custom: #66bf22;
$custom-light: #9ad36c;
$custom-dark: #000000;
JSON
{
  "hex": "#66bf22",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 34
  },
  "hsl": {
    "h": 94.013,
    "s": 69.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.72101,
    "c": 0.20067,
    "h": 135.6
  },
  "luminance": 0.40202
}

Semantic roles & 50–950 ramp

primary
#66BF22
secondary
#A56FCE
accent
#3BEDA0
background
#FAFDF6
surface
#F3FAEC
border
#CDD3C7
text
#0F1408
muted
#7F837A

Preview Lab

Preview with #66BF22

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

Preview Lab → · Contrast checker → · Palette generator →

#66BF22 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva