#66FF8F#66FF8F

#66FF8F is a very light, highly saturated green. Relative luminance 0.763; OKLCH L 89.2% C 0.200 H 149.3°. Best body text is #000000 at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#66FF8F
RGB	rgb(102, 255, 143)
HSL	hsl(136, 100%, 70%)
HSV	hsv(136, 60%, 100%)
CMYK	cmyk(60%, 0%, 43.9%, 0%)
CIE-LAB	lab(90.01, -63.82, 41.62)
CIE-LCH	lch(90.01, 76.19, 146.89°)
OKLab	oklab(89.22% -0.1724 0.1022)
OKLCH	oklch(89.22% 0.2 149.3)
XYZ	xyz(46.1941, 76.3235, 38.2788)
Luminance	0.7633 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FF8F #FF66D6

analogous

#8AFF66 #66FF8F #66FFDB

triadic

#66FF8F #8F66FF #FF8F66

tetradic

#66FF8F #668AFF #FF66D6 #FFDB66

square

#66FF8F #668AFF #FF66D6 #FFDB66

split-complementary

#66FF8F #DB66FF #FF668A

monochromatic

#00EB3F #29FF62 #66FF8F #A3FFBC #E0FFE9

Accessibility & contrast

On white

1.29

#66FF8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.27

#66FF8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FF8F

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FF8F	#FFFFFF	#000000	##000000
##66FF8F	1.00	1.29	16.27	16.27
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.27	21.00	1.00	1.00
##000000	16.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB86

Deuteranopia (green-blind)

#EDDD97

Tritanopia (blue-blind)

#39FBE4

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66ff8f;
/* rgb */ color: rgb(102, 255, 143);
/* oklch */ color: oklch(89.2% 0.200 149.3);

Tailwind

colors: {
  custom: {
    50: '#9fffb1',
    500: '#66ff8f',
    950: '#000000',
  },
}

SCSS

$custom: #66ff8f;
$custom-light: #9fffb1;
$custom-dark: #000000;

JSON

{
  "hex": "#66ff8f",
  "rgb": {
    "r": 102,
    "g": 255,
    "b": 143
  },
  "hsl": {
    "h": 136.078,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.89216,
    "c": 0.20046,
    "h": 149.3
  },
  "luminance": 0.76328
}

Semantic roles & 50–950 ramp

primary

#66FF8F

secondary

#DA2FAC

accent

#00A8E6

background

#FDFFFD

surface

#F7FFF8

border

#D0D7D1

text

#101811

muted

#818681

Preview Lab

Preview with #66FF8F

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

Preview Lab → · Contrast checker → · Palette generator →