#66FF9C#66FF9C

#66FF9C is a very light, vivid green. Relative luminance 0.767; OKLCH L 89.4% C 0.189 H 152.1°. Best body text is #000000 at 16.35:1 contrast (WCAG AA passes).

Color values

HEX	#66FF9C
RGB	rgb(102, 255, 156)
HSL	hsl(141, 100%, 70%)
HSV	hsv(141, 60%, 100%)
CMYK	cmyk(60%, 0%, 38.8%, 0%)
CIE-LAB	lab(90.20, -61.72, 35.50)
CIE-LCH	lch(90.20, 71.20, 150.09°)
OKLab	oklab(89.44% -0.167 0.0883)
OKLCH	oklch(89.44% 0.189 152.1)
XYZ	xyz(47.2365, 76.7404, 43.7691)
Luminance	0.7674 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FF9C #FF66C9

analogous

#7DFF66 #66FF9C #66FFE8

triadic

#66FF9C #9C66FF #FF9C66

tetradic

#66FF9C #667DFF #FF66C9 #FFE866

square

#66FF9C #667DFF #FF66C9 #FFE866

split-complementary

#66FF9C #E866FF #FF667D

monochromatic

#00EB53 #29FF74 #66FF9C #A3FFC4 #E0FFEB

Accessibility & contrast

On white

1.28

#66FF9C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.35

#66FF9C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FF9C

16.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FF9C	#FFFFFF	#000000	##000000
##66FF9C	1.00	1.28	16.35	16.35
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.35	21.00	1.00	1.00
##000000	16.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB95

Deuteranopia (green-blind)

#EBDDA2

Tritanopia (blue-blind)

#31FCE6

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66ff9c;
/* rgb */ color: rgb(102, 255, 156);
/* oklch */ color: oklch(89.4% 0.189 152.1);

Tailwind

colors: {
  custom: {
    50: '#9fffba',
    500: '#66ff9c',
    950: '#000000',
  },
}

SCSS

$custom: #66ff9c;
$custom-light: #9fffba;
$custom-dark: #000000;

JSON

{
  "hex": "#66ff9c",
  "rgb": {
    "r": 102,
    "g": 255,
    "b": 156
  },
  "hsl": {
    "h": 141.176,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.89437,
    "c": 0.1889,
    "h": 152.1
  },
  "luminance": 0.76745
}

Semantic roles & 50–950 ramp

primary

#66FF9C

secondary

#DA2F9E

accent

#0095E6

background

#FDFFFD

surface

#F7FFF8

border

#D0D7D1

text

#101811

muted

#818681

Preview Lab

Preview with #66FF9C

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

Preview Lab → · Contrast checker → · Palette generator →