#66FF9D#66FF9D

#66FF9D is a very light, vivid green. Relative luminance 0.768; OKLCH L 89.5% C 0.188 H 152.4°. Best body text is #000000 at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#66FF9D
RGB	rgb(102, 255, 157)
HSL	hsl(142, 100%, 70%)
HSV	hsv(142, 60%, 100%)
CMYK	cmyk(60%, 0%, 38.4%, 0%)
CIE-LAB	lab(90.22, -61.55, 35.03)
CIE-LCH	lch(90.22, 70.82, 150.35°)
OKLab	oklab(89.46% -0.1665 0.0872)
OKLCH	oklch(89.46% 0.188 152.4)
XYZ	xyz(47.3215, 76.7744, 44.2169)
Luminance	0.7678 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FF9D #FF66C8

analogous

#7BFF66 #66FF9D #66FFEA

triadic

#66FF9D #9D66FF #FF9D66

tetradic

#66FF9D #667BFF #FF66C8 #FFEA66

square

#66FF9D #667BFF #FF66C8 #FFEA66

split-complementary

#66FF9D #EA66FF #FF667B

monochromatic

#00EB54 #29FF76 #66FF9D #A3FFC4 #E0FFEB

Accessibility & contrast

On white

1.28

#66FF9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.36

#66FF9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FF9D

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FF9D	#FFFFFF	#000000	##000000
##66FF9D	1.00	1.28	16.36	16.36
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.36	21.00	1.00	1.00
##000000	16.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC96

Deuteranopia (green-blind)

#EBDDA3

Tritanopia (blue-blind)

#30FCE6

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66ff9d;
/* rgb */ color: rgb(102, 255, 157);
/* oklch */ color: oklch(89.5% 0.188 152.4);

Tailwind

colors: {
  custom: {
    50: '#9fffbb',
    500: '#66ff9d',
    950: '#000000',
  },
}

SCSS

$custom: #66ff9d;
$custom-light: #9fffbb;
$custom-dark: #000000;

JSON

{
  "hex": "#66ff9d",
  "rgb": {
    "r": 102,
    "g": 255,
    "b": 157
  },
  "hsl": {
    "h": 141.569,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.89455,
    "c": 0.18801,
    "h": 152.4
  },
  "luminance": 0.76779
}

Semantic roles & 50–950 ramp

primary

#66FF9D

secondary

#DA2F9D

accent

#0093E6

background

#FDFFFD

surface

#F7FFF8

border

#D0D7D1

text

#101812

muted

#818682

Preview Lab

Preview with #66FF9D

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

Preview Lab → · Contrast checker → · Palette generator →