#66DC8F#66DC8F

#66DC8F is a light, vivid green. Relative luminance 0.560; OKLCH L 80.7% C 0.153 H 152.8°. Best body text is #000000 at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#66DC8F
RGB	rgb(102, 220, 143)
HSL	hsl(141, 63%, 63%)
HSV	hsv(141, 54%, 86%)
CMYK	cmyk(53.6%, 0%, 35%, 13.7%)
CIE-LAB	lab(79.61, -50.25, 27.98)
CIE-LCH	lch(79.61, 57.52, 150.89°)
OKLab	oklab(80.68% -0.1365 0.0702)
OKLCH	oklch(80.68% 0.154 152.8)
XYZ	xyz(36.0279, 55.9912, 34.8901)
Luminance	0.5599 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC8F #DC66B3

analogous

#78DC66 #66DC8F #66DCCA

triadic

#66DC8F #8F66DC #DC8F66

tetradic

#66DC8F #6678DC #DC66B3 #DCCA66

square

#66DC8F #6678DC #DC66B3 #DCCA66

split-complementary

#66DC8F #CA66DC #DC6678

monochromatic

#25A251 #34D16B #66DC8F #98E7B3 #CAF3D8

Accessibility & contrast

On white

1.72

#66DC8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.20

#66DC8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC8F

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC8F	#FFFFFF	#000000	##000000
##66DC8F	1.00	1.72	12.20	12.20
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.20	21.00	1.00	1.00
##000000	12.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCC8A

Deuteranopia (green-blind)

#CCC194

Tritanopia (blue-blind)

#47D9C8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66dc8f;
/* rgb */ color: rgb(102, 220, 143);
/* oklch */ color: oklch(80.7% 0.153 152.8);

Tailwind

colors: {
  custom: {
    50: '#9ae8b0',
    500: '#66dc8f',
    950: '#000000',
  },
}

SCSS

$custom: #66dc8f;
$custom-light: #9ae8b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc8f",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 143
  },
  "hsl": {
    "h": 140.847,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.80682,
    "c": 0.1535,
    "h": 152.8
  },
  "luminance": 0.55994
}

Semantic roles & 50–950 ramp

primary

#66DC8F

secondary

#A64183

accent

#1B8ECB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #66DC8F

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

Preview Lab → · Contrast checker → · Palette generator →