#66E596#66E596

#66E596 is a very light, vivid green. Relative luminance 0.611; OKLCH L 83.0% C 0.160 H 153.7°. Best body text is #000000 at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#66E596
RGB	rgb(102, 229, 150)
HSL	hsl(143, 71%, 65%)
HSV	hsv(143, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 34.5%, 10.2%)
CIE-LAB	lab(82.41, -52.64, 28.15)
CIE-LCH	lch(82.41, 59.70, 151.86°)
OKLab	oklab(83.02% -0.143 0.0707)
OKLCH	oklch(83.02% 0.16 153.7)
XYZ	xyz(39.0008, 61.0619, 38.5791)
Luminance	0.6107 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E596 #E566B5

analogous

#76E566 #66E596 #66E5D5

triadic

#66E596 #9666E5 #E59666

tetradic

#66E596 #6676E5 #E566B5 #E5D566

square

#66E596 #6676E5 #E566B5 #E5D566

split-complementary

#66E596 #D566E5 #E56676

monochromatic

#1EB256 #32DC72 #66E596 #9AEEBA #CFF7DE

Accessibility & contrast

On white

1.59

#66E596 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.21

#66E596 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E596

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E596	#FFFFFF	#000000	##000000
##66E596	1.00	1.59	13.21	13.21
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.21	21.00	1.00	1.00
##000000	13.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D491

Deuteranopia (green-blind)

#D3C89B

Tritanopia (blue-blind)

#41E2D1

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e596;
/* rgb */ color: rgb(102, 229, 150);
/* oklch */ color: oklch(83.0% 0.160 153.7);

Tailwind

colors: {
  custom: {
    50: '#9beeb5',
    500: '#66e596',
    950: '#000000',
  },
}

SCSS

$custom: #66e596;
$custom-light: #9beeb5;
$custom-dark: #000000;

JSON

{
  "hex": "#66e596",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 150
  },
  "hsl": {
    "h": 142.677,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.83016,
    "c": 0.15952,
    "h": 153.7
  },
  "luminance": 0.61065
}

Semantic roles & 50–950 ramp

primary

#66E596

secondary

#B33C86

accent

#138AD3

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1611

muted

#808581

Preview Lab

Preview with #66E596

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

Preview Lab → · Contrast checker → · Palette generator →