#66FF8A#66FF8A

#66FF8A is a very light, highly saturated green. Relative luminance 0.762; OKLCH L 89.1% C 0.205 H 148.4°. Best body text is #000000 at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#66FF8A
RGB	rgb(102, 255, 138)
HSL	hsl(134, 100%, 70%)
HSV	hsv(134, 60%, 100%)
CMYK	cmyk(60%, 0%, 45.9%, 0%)
CIE-LAB	lab(89.94, -64.58, 43.94)
CIE-LCH	lch(89.94, 78.11, 145.77°)
OKLab	oklab(89.14% -0.1745 0.1074)
OKLCH	oklch(89.14% 0.205 148.4)
XYZ	xyz(45.8237, 76.1753, 36.3283)
Luminance	0.7618 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FF8A #FF66DB

analogous

#8EFF66 #66FF8A #66FFD7

triadic

#66FF8A #8A66FF #FF8A66

tetradic

#66FF8A #668EFF #FF66DB #FFD766

square

#66FF8A #668EFF #FF66DB #FFD766

split-complementary

#66FF8A #D766FF #FF668E

monochromatic

#00EB37 #29FF5B #66FF8A #A3FFB9 #E0FFE8

Accessibility & contrast

On white

1.29

#66FF8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.24

#66FF8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FF8A

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FF8A	#FFFFFF	#000000	##000000
##66FF8A	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)

#FFEA81

Deuteranopia (green-blind)

#EEDD92

Tritanopia (blue-blind)

#3CFAE3

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66ff8a;
/* rgb */ color: rgb(102, 255, 138);
/* oklch */ color: oklch(89.1% 0.205 148.4);

Tailwind

colors: {
  custom: {
    50: '#9fffae',
    500: '#66ff8a',
    950: '#000000',
  },
}

SCSS

$custom: #66ff8a;
$custom-light: #9fffae;
$custom-dark: #000000;

JSON

{
  "hex": "#66ff8a",
  "rgb": {
    "r": 102,
    "g": 255,
    "b": 138
  },
  "hsl": {
    "h": 134.118,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.89137,
    "c": 0.20486,
    "h": 148.4
  },
  "luminance": 0.7618
}

Semantic roles & 50–950 ramp

primary

#66FF8A

secondary

#DA2FB2

accent

#00AFE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FF8A

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

Preview Lab → · Contrast checker → · Palette generator →