#66D142#66D142

#66D142 is a light, highly saturated green. Relative luminance 0.488; OKLCH L 76.9% C 0.205 H 138.9°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#66D142
RGB	rgb(102, 209, 66)
HSL	hsl(105, 61%, 54%)
HSV	hsv(105, 68%, 82%)
CMYK	cmyk(51.2%, 0%, 68.4%, 18%)
CIE-LAB	lab(75.34, -56.08, 58.91)
CIE-LCH	lch(75.34, 81.33, 133.59°)
OKLab	oklab(76.87% -0.1544 0.1345)
OKLCH	oklch(76.87% 0.205 138.9)
XYZ	xyz(29.2622, 48.8168, 13.0338)
Luminance	0.4882 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D142 #AD42D1

analogous

#AED142 #66D142 #42D166

triadic

#66D142 #4266D1 #D14266

tetradic

#66D142 #42AED1 #AD42D1 #D16642

square

#66D142 #42AED1 #AD42D1 #D16642

split-complementary

#66D142 #6642D1 #D142AE

monochromatic

#357B1E #4BAC2A #66D142 #8EDD73 #B6E9A4

Accessibility & contrast

On white

1.95

#66D142 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.76

#66D142 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D142

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D142	#FFFFFF	#000000	##000000
##66D142	1.00	1.95	10.76	10.76
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.76	21.00	1.00	1.00
##000000	10.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF2D

Deuteranopia (green-blind)

#C9B64F

Tritanopia (blue-blind)

#5CCAB4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66d142;
/* rgb */ color: rgb(102, 209, 66);
/* oklch */ color: oklch(76.9% 0.205 138.9);

Tailwind

colors: {
  custom: {
    50: '#9be07e',
    500: '#66d142',
    950: '#000000',
  },
}

SCSS

$custom: #66d142;
$custom-light: #9be07e;
$custom-dark: #000000;

JSON

{
  "hex": "#66d142",
  "rgb": {
    "r": 102,
    "g": 209,
    "b": 66
  },
  "hsl": {
    "h": 104.895,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76869,
    "c": 0.20475,
    "h": 138.9
  },
  "luminance": 0.48819
}

Semantic roles & 50–950 ramp

primary

#66D142

secondary

#C799D6

accent

#44E4BC

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D142

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

Preview Lab → · Contrast checker → · Palette generator →