#66AD24#66AD24

#66AD24 is a light, vivid yellow-green. Relative luminance 0.328; OKLCH L 67.5% C 0.178 H 133.8°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX#66AD24
RGBrgb(102, 173, 36)
HSLhsl(91, 66%, 41%)
HSVhsv(91, 79%, 68%)
CMYKcmyk(41%, 0%, 79.2%, 32.2%)
CIE-LABlab(64.03, -43.93, 58.19)
CIE-LCHlch(64.03, 72.91, 127.05°)
OKLaboklab(67.52% -0.1235 0.1288)
OKLCHoklch(67.52% 0.178 133.8)
XYZxyz(20.7411, 32.8382, 6.9143)
Luminance0.3284 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AD24 #6B24AD
analogous
#AAAD24 #66AD24 #24AD27
triadic
#66AD24 #2466AD #AD2466
tetradic
#66AD24 #24AAAD #6B24AD #AD2724
square
#66AD24 #24AAAD #6B24AD #AD2724
split-complementary
#66AD24 #2724AD #AD24AA
monochromatic
#2A480F #487A19 #66AD24 #84D639 #A4E06B

Accessibility & contrast

On white

2.77
#66AD24 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.57
#66AD24 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AD24
7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AD24#FFFFFF#000000##000000
##66AD241.002.777.577.57
#FFFFFF2.771.0021.0021.00
#0000007.5721.001.001.00
##0000007.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B49F00
Deuteranopia (green-blind)
#AA9933
Tritanopia (blue-blind)
#66A694
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #66ad24;
/* rgb */ color: rgb(102, 173, 36);
/* oklch */ color: oklch(67.5% 0.178 133.8);
Tailwind
colors: {
  custom: {
    50: '#98c66b',
    500: '#66ad24',
    950: '#000000',
  },
}
SCSS
$custom: #66ad24;
$custom-light: #98c66b;
$custom-dark: #000000;
JSON
{
  "hex": "#66ad24",
  "rgb": {
    "r": 102,
    "g": 173,
    "b": 36
  },
  "hsl": {
    "h": 91.095,
    "s": 65.55,
    "l": 40.98
  },
  "oklch": {
    "l": 0.67523,
    "c": 0.17847,
    "h": 133.8
  },
  "luminance": 0.32839
}

Semantic roles & 50–950 ramp

primary
#66AD24
secondary
#9866C6
accent
#3FE997
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #66AD24

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

Preview Lab → · Contrast checker → · Palette generator →

#66AD24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva