#66C526#66C526

#66C526 is a light, highly saturated yellow-green. Relative luminance 0.429; OKLCH L 73.6% C 0.206 H 136.3°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX#66C526
RGBrgb(102, 197, 38)
HSLhsl(96, 68%, 46%)
HSVhsv(96, 81%, 77%)
CMYKcmyk(48.2%, 0%, 80.7%, 22.7%)
CIE-LABlab(71.48, -53.37, 64.52)
CIE-LCHlch(71.48, 83.73, 129.60°)
OKLaboklab(73.65% -0.1488 0.1424)
OKLCHoklch(73.65% 0.206 136.3)
XYZxyz(25.7949, 42.8955, 8.7538)
Luminance0.4290 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C526 #8526C5
analogous
#B5C526 #66C526 #26C535
triadic
#66C526 #2666C5 #C52666
tetradic
#66C526 #26B5C5 #8526C5 #C53526
square
#66C526 #26B5C5 #8526C5 #C53526
split-complementary
#66C526 #3526C5 #C526B5
monochromatic
#315E12 #4B921C #66C526 #86DC4C #A9E67F

Accessibility & contrast

On white

2.19
#66C526 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.58
#66C526 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C526
9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C526#FFFFFF#000000##000000
##66C5261.002.199.589.58
#FFFFFF2.191.0021.0021.00
#0000009.5821.001.001.00
##0000009.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCB400
Deuteranopia (green-blind)
#C0AC39
Tritanopia (blue-blind)
#61BEA8
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #66c526;
/* rgb */ color: rgb(102, 197, 38);
/* oklch */ color: oklch(73.6% 0.206 136.3);
Tailwind
colors: {
  custom: {
    50: '#9ad76f',
    500: '#66c526',
    950: '#000000',
  },
}
SCSS
$custom: #66c526;
$custom-light: #9ad76f;
$custom-dark: #000000;
JSON
{
  "hex": "#66c526",
  "rgb": {
    "r": 102,
    "g": 197,
    "b": 38
  },
  "hsl": {
    "h": 95.849,
    "s": 67.66,
    "l": 46.078
  },
  "oklch": {
    "l": 0.73646,
    "c": 0.20592,
    "h": 136.3
  },
  "luminance": 0.42897
}

Semantic roles & 50–950 ramp

primary
#66C526
secondary
#AC78CF
accent
#3DEBA5
background
#FAFDF7
surface
#F3FAED
border
#CDD3C8
text
#0F1408
muted
#7F837B

Preview Lab

Preview with #66C526

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

Preview Lab → · Contrast checker → · Palette generator →

#66C526 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva