#66F596#66F596

#66F596 is a very light, vivid green. Relative luminance 0.703; OKLCH L 86.9% C 0.181 H 151.7°. Best body text is #000000 at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#66F596
RGB	rgb(102, 245, 150)
HSL	hsl(140, 88%, 68%)
HSV	hsv(140, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 38.8%, 3.9%)
CIE-LAB	lab(87.16, -58.93, 34.47)
CIE-LCH	lch(87.16, 68.27, 149.68°)
OKLab	oklab(86.91% -0.1595 0.0858)
OKLCH	oklch(86.91% 0.181 151.7)
XYZ	xyz(43.6336, 70.3274, 40.1234)
Luminance	0.7033 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F596 #F566C5

analogous

#7DF566 #66F596 #66F5DE

triadic

#66F596 #9666F5 #F59666

tetradic

#66F596 #667DF5 #F566C5 #F5DE66

square

#66F596 #667DF5 #F566C5 #F5DE66

split-complementary

#66F596 #DE66F5 #F5667D

monochromatic

#0ED350 #2DF16F #66F596 #9FF9BD #D9FDE5

Accessibility & contrast

On white

1.39

#66F596 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.07

#66F596 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F596

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F596	#FFFFFF	#000000	##000000
##66F596	1.00	1.39	15.07	15.07
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.07	21.00	1.00	1.00
##000000	15.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6E28F

Deuteranopia (green-blind)

#E3D59C

Tritanopia (blue-blind)

#3AF2DD

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f596;
/* rgb */ color: rgb(102, 245, 150);
/* oklch */ color: oklch(86.9% 0.181 151.7);

Tailwind

colors: {
  custom: {
    50: '#9df9b5',
    500: '#66f596',
    950: '#000000',
  },
}

SCSS

$custom: #66f596;
$custom-light: #9df9b5;
$custom-dark: #000000;

JSON

{
  "hex": "#66f596",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 150
  },
  "hsl": {
    "h": 140.14,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86906,
    "c": 0.18112,
    "h": 151.7
  },
  "luminance": 0.70332
}

Semantic roles & 50–950 ramp

primary

#66F596

secondary

#CE3199

accent

#0198E4

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F596

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

Preview Lab → · Contrast checker → · Palette generator →