#66FE9E#66FE9E

#66FE9E is a very light, vivid green. Relative luminance 0.762; OKLCH L 89.2% C 0.186 H 152.7°. Best body text is #000000 at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#66FE9E
RGB	rgb(102, 254, 158)
HSL	hsl(142, 99%, 70%)
HSV	hsv(142, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 37.8%, 0.4%)
CIE-LAB	lab(89.94, -61.00, 34.16)
CIE-LCH	lch(89.94, 69.91, 150.75°)
OKLab	oklab(89.23% -0.1651 0.0852)
OKLCH	oklch(89.23% 0.186 152.7)
XYZ	xyz(47.0891, 76.1724, 44.5623)
Luminance	0.7618 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FE9E #FE66C6

analogous

#7AFE66 #66FE9E #66FEEA

triadic

#66FE9E #9E66FE #FE9E66

tetradic

#66FE9E #667AFE #FE66C6 #FEEA66

square

#66FE9E #667AFE #FE66C6 #FEEA66

split-complementary

#66FE9E #EA66FE #FE667A

monochromatic

#02E856 #29FE77 #66FE9E #A3FEC5 #E0FFEB

Accessibility & contrast

On white

1.29

#66FE9E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.24

#66FE9E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FE9E

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FE9E	#FFFFFF	#000000	##000000
##66FE9E	1.00	1.29	16.24	16.24
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.24	21.00	1.00	1.00
##000000	16.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEB97

Deuteranopia (green-blind)

#EADDA4

Tritanopia (blue-blind)

#30FBE6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66fe9e;
/* rgb */ color: rgb(102, 254, 158);
/* oklch */ color: oklch(89.2% 0.186 152.7);

Tailwind

colors: {
  custom: {
    50: '#9fffbb',
    500: '#66fe9e',
    950: '#000000',
  },
}

SCSS

$custom: #66fe9e;
$custom-light: #9fffbb;
$custom-dark: #000000;

JSON

{
  "hex": "#66fe9e",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 158
  },
  "hsl": {
    "h": 142.105,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.89232,
    "c": 0.18581,
    "h": 152.7
  },
  "luminance": 0.76177
}

Semantic roles & 50–950 ramp

primary

#66FE9E

secondary

#D92F9A

accent

#0091E6

background

#FDFFFD

surface

#F7FFF8

border

#D0D7D1

text

#101812

muted

#818682

Preview Lab

Preview with #66FE9E

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

Preview Lab → · Contrast checker → · Palette generator →