#66C044#66C044

#66C044 is a light, vivid green. Relative luminance 0.409; OKLCH L 72.6% C 0.182 H 138.3°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#66C044
RGB	rgb(102, 192, 68)
HSL	hsl(104, 50%, 51%)
HSV	hsv(104, 65%, 75%)
CMYK	cmyk(46.9%, 0%, 64.6%, 24.7%)
CIE-LAB	lab(70.13, -49.33, 52.53)
CIE-LCH	lch(70.13, 72.06, 133.20°)
OKLab	oklab(72.6% -0.136 0.1213)
OKLCH	oklch(72.6% 0.182 138.3)
XYZ	xyz(25.3716, 40.9397, 12.0330)
Luminance	0.4094 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C044 #9E44C0

analogous

#A4C044 #66C044 #44C060

triadic

#66C044 #4466C0 #C04466

tetradic

#66C044 #44A4C0 #9E44C0 #C06044

square

#66C044 #44A4C0 #9E44C0 #C06044

split-complementary

#66C044 #6044C0 #C044A4

monochromatic

#356723 #4D9532 #66C044 #8BCF72 #B1DFA0

Accessibility & contrast

On white

2.29

#66C044 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#66C044 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C044

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C044	#FFFFFF	#000000	##000000
##66C044	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B034

Deuteranopia (green-blind)

#BAA94E

Tritanopia (blue-blind)

#60BAA6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66c044;
/* rgb */ color: rgb(102, 192, 68);
/* oklch */ color: oklch(72.6% 0.182 138.3);

Tailwind

colors: {
  custom: {
    50: '#99d47d',
    500: '#66c044',
    950: '#000000',
  },
}

SCSS

$custom: #66c044;
$custom-light: #99d47d;
$custom-dark: #000000;

JSON

{
  "hex": "#66c044",
  "rgb": {
    "r": 102,
    "g": 192,
    "b": 68
  },
  "hsl": {
    "h": 103.548,
    "s": 49.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.72598,
    "c": 0.1822,
    "h": 138.3
  },
  "luminance": 0.40941
}

Semantic roles & 50–950 ramp

primary

#66C044

secondary

#BC94CB

accent

#4FD9B3

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E140A

muted

#7E837C

Preview Lab

Preview with #66C044

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

Preview Lab → · Contrast checker → · Palette generator →