#66AE25#66AE25

#66AE25 is a light, vivid yellow-green. Relative luminance 0.332; OKLCH L 67.8% C 0.179 H 134.0°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#66AE25
RGBrgb(102, 174, 37)
HSLhsl(92, 65%, 41%)
HSVhsv(92, 79%, 68%)
CMYKcmyk(41.4%, 0%, 78.7%, 31.8%)
CIE-LABlab(64.35, -44.29, 58.18)
CIE-LCHlch(64.35, 73.12, 127.28°)
OKLaboklab(67.78% -0.1245 0.1289)
OKLCHoklch(67.78% 0.179 134)
XYZxyz(20.9491, 33.2294, 7.0600)
Luminance0.3323 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AE25 #6D25AE
analogous
#ABAE25 #66AE25 #25AE29
triadic
#66AE25 #2566AE #AE2566
tetradic
#66AE25 #25ABAE #6D25AE #AE2925
square
#66AE25 #25ABAE #6D25AE #AE2925
split-complementary
#66AE25 #2925AE #AE25AB
monochromatic
#2B4910 #487C1A #66AE25 #84D53B #A4E06D

Accessibility & contrast

On white

2.75
#66AE25 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#66AE25 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AE25
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AE25#FFFFFF#000000##000000
##66AE251.002.757.657.65
#FFFFFF2.751.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5A000
Deuteranopia (green-blind)
#AB9A34
Tritanopia (blue-blind)
#65A795
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #66ae25;
/* rgb */ color: rgb(102, 174, 37);
/* oklch */ color: oklch(67.8% 0.179 134.0);
Tailwind
colors: {
  custom: {
    50: '#98c66b',
    500: '#66ae25',
    950: '#000000',
  },
}
SCSS
$custom: #66ae25;
$custom-light: #98c66b;
$custom-dark: #000000;
JSON
{
  "hex": "#66ae25",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 37
  },
  "hsl": {
    "h": 91.533,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67784,
    "c": 0.17919,
    "h": 134
  },
  "luminance": 0.3323
}

Semantic roles & 50–950 ramp

primary
#66AE25
secondary
#9A68C6
accent
#40E898
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #66AE25

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

Preview Lab → · Contrast checker → · Palette generator →

#66AE25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva