#66AF23#66AF23

#66AF23 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.0% C 0.181 H 134.0°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX#66AF23
RGBrgb(102, 175, 35)
HSLhsl(91, 67%, 41%)
HSVhsv(91, 80%, 69%)
CMYKcmyk(41.7%, 0%, 80%, 31.4%)
CIE-LABlab(64.65, -44.81, 59.07)
CIE-LCHlch(64.65, 74.14, 127.19°)
OKLaboklab(68.03% -0.126 0.1305)
OKLCHoklch(68.03% 0.181 134)
XYZxyz(21.1125, 33.6050, 6.9637)
Luminance0.3361 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AF23 #6C23AF
analogous
#ACAF23 #66AF23 #23AF26
triadic
#66AF23 #2366AF #AF2366
tetradic
#66AF23 #23ACAF #6C23AF #AF2623
square
#66AF23 #23ACAF #6C23AF #AF2623
split-complementary
#66AF23 #2623AF #AF23AC
monochromatic
#2B490F #487C19 #66AF23 #84D738 #A4E16B

Accessibility & contrast

On white

2.72
#66AF23 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.72
#66AF23 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF23
7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AF23#FFFFFF#000000##000000
##66AF231.002.727.727.72
#FFFFFF2.721.0021.0021.00
#0000007.7221.001.001.00
##0000007.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A000
Deuteranopia (green-blind)
#AC9B33
Tritanopia (blue-blind)
#65A895
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #66af23;
/* rgb */ color: rgb(102, 175, 35);
/* oklch */ color: oklch(68.0% 0.181 134.0);
Tailwind
colors: {
  custom: {
    50: '#98c76a',
    500: '#66af23',
    950: '#000000',
  },
}
SCSS
$custom: #66af23;
$custom-light: #98c76a;
$custom-dark: #000000;
JSON
{
  "hex": "#66af23",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 35
  },
  "hsl": {
    "h": 91.286,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.68028,
    "c": 0.18137,
    "h": 134
  },
  "luminance": 0.33606
}

Semantic roles & 50–950 ramp

primary
#66AF23
secondary
#9966C7
accent
#3EEA98
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #66AF23

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

Preview Lab → · Contrast checker → · Palette generator →

#66AF23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva