#66CB44#66CB44

#66CB44 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.4% C 0.196 H 138.9°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#66CB44
RGB	rgb(102, 203, 68)
HSL	hsl(105, 56%, 53%)
HSV	hsv(105, 67%, 80%)
CMYK	cmyk(49.8%, 0%, 66.5%, 20.4%)
CIE-LAB	lab(73.51, -53.63, 56.19)
CIE-LCH	lch(73.51, 77.67, 133.67°)
OKLab	oklab(75.38% -0.1476 0.129)
OKLCH	oklch(75.38% 0.196 138.9)
XYZ	xyz(27.8778, 45.9520, 12.8683)
Luminance	0.4595 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CB44 #A944CB

analogous

#A9CB44 #66CB44 #44CB65

triadic

#66CB44 #4466CB #CB4466

tetradic

#66CB44 #44A9CB #A944CB #CB6544

square

#66CB44 #44A9CB #A944CB #CB6544

split-complementary

#66CB44 #6544CB #CB44A9

monochromatic

#357420 #4BA42E #66CB44 #8DD874 #B4E6A4

Accessibility & contrast

On white

2.06

#66CB44 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#66CB44 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CB44

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CB44	#FFFFFF	#000000	##000000
##66CB44	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA32

Deuteranopia (green-blind)

#C4B150

Tritanopia (blue-blind)

#5DC4AF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cb44;
/* rgb */ color: rgb(102, 203, 68);
/* oklch */ color: oklch(75.4% 0.196 138.9);

Tailwind

colors: {
  custom: {
    50: '#9adc7e',
    500: '#66cb44',
    950: '#000000',
  },
}

SCSS

$custom: #66cb44;
$custom-light: #9adc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66cb44",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 68
  },
  "hsl": {
    "h": 104.889,
    "s": 56.485,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75375,
    "c": 0.19606,
    "h": 138.9
  },
  "luminance": 0.45954
}

Semantic roles & 50–950 ramp

primary

#66CB44

secondary

#C498D3

accent

#48E0BA

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CB44

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

Preview Lab → · Contrast checker → · Palette generator →