#66D690#66D690

#66D690 is a light, vivid green. Relative luminance 0.529; OKLCH L 79.2% C 0.144 H 154.0°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#66D690
RGB	rgb(102, 214, 144)
HSL	hsl(143, 58%, 62%)
HSV	hsv(143, 52%, 84%)
CMYK	cmyk(52.3%, 0%, 32.7%, 16.1%)
CIE-LAB	lab(77.83, -47.59, 25.07)
CIE-LCH	lch(77.83, 53.79, 152.22°)
OKLab	oklab(79.24% -0.1295 0.0632)
OKLCH	oklch(79.24% 0.144 154)
XYZ	xyz(34.5575, 52.9286, 34.7753)
Luminance	0.5293 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D690 #D666AC

analogous

#74D666 #66D690 #66D6C8

triadic

#66D690 #9066D6 #D69066

tetradic

#66D690 #6674D6 #D666AC #D6C866

square

#66D690 #6674D6 #D666AC #D6C866

split-complementary

#66D690 #C866D6 #D66674

monochromatic

#299953 #36C96D #66D690 #96E3B3 #C7F0D6

Accessibility & contrast

On white

1.81

#66D690 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#66D690 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D690

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D690	#FFFFFF	#000000	##000000
##66D690	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C78C

Deuteranopia (green-blind)

#C6BC94

Tritanopia (blue-blind)

#48D4C4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d690;
/* rgb */ color: rgb(102, 214, 144);
/* oklch */ color: oklch(79.2% 0.144 154.0);

Tailwind

colors: {
  custom: {
    50: '#99e3b1',
    500: '#66d690',
    950: '#000000',
  },
}

SCSS

$custom: #66d690;
$custom-light: #99e3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#66d690",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 144
  },
  "hsl": {
    "h": 142.5,
    "s": 57.732,
    "l": 61.961
  },
  "oklch": {
    "l": 0.79236,
    "c": 0.14414,
    "h": 154
  },
  "luminance": 0.52932
}

Semantic roles & 50–950 ramp

primary

#66D690

secondary

#9D437B

accent

#2087C5

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0F1510

muted

#808481

Preview Lab

Preview with #66D690

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

Preview Lab → · Contrast checker → · Palette generator →