#66BD26#66BD26

#66BD26 is a light, vivid yellow-green. Relative luminance 0.394; OKLCH L 71.6% C 0.197 H 135.6°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#66BD26
RGBrgb(102, 189, 38)
HSLhsl(95, 67%, 45%)
HSVhsv(95, 80%, 74%)
CMYKcmyk(46%, 0%, 79.9%, 25.9%)
CIE-LABlab(69.01, -50.28, 62.23)
CIE-LCHlch(69.01, 80.00, 128.93°)
OKLaboklab(71.61% -0.1405 0.1376)
OKLCHoklch(71.61% 0.197 135.6)
XYZxyz(24.0263, 39.3584, 8.1643)
Luminance0.3936 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BD26 #7D26BD
analogous
#B1BD26 #66BD26 #26BD32
triadic
#66BD26 #2666BD #BD2666
tetradic
#66BD26 #26B1BD #7D26BD #BD3226
square
#66BD26 #26B1BD #7D26BD #BD3226
split-complementary
#66BD26 #3226BD #BD26B1
monochromatic
#2F5712 #4B8A1C #66BD26 #85DA46 #A7E479

Accessibility & contrast

On white

2.37
#66BD26 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.87
#66BD26 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD26
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BD26#FFFFFF#000000##000000
##66BD261.002.378.878.87
#FFFFFF2.371.0021.0021.00
#0000008.8721.001.001.00
##0000008.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4AD00
Deuteranopia (green-blind)
#B9A638
Tritanopia (blue-blind)
#63B6A1
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #66bd26;
/* rgb */ color: rgb(102, 189, 38);
/* oklch */ color: oklch(71.6% 0.197 135.6);
Tailwind
colors: {
  custom: {
    50: '#9ad16e',
    500: '#66bd26',
    950: '#000000',
  },
}
SCSS
$custom: #66bd26;
$custom-light: #9ad16e;
$custom-dark: #000000;
JSON
{
  "hex": "#66bd26",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 38
  },
  "hsl": {
    "h": 94.57,
    "s": 66.52,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71612,
    "c": 0.19663,
    "h": 135.6
  },
  "luminance": 0.3936
}

Semantic roles & 50–950 ramp

primary
#66BD26
secondary
#A673CC
accent
#3EE9A1
background
#FAFCF7
surface
#F3F9ED
border
#CDD2C8
text
#0F1408
muted
#7F827B

Preview Lab

Preview with #66BD26

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

Preview Lab → · Contrast checker → · Palette generator →

#66BD26 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva