#66F4A3#66F4A3

#66F4A3 is a very light, vivid green. Relative luminance 0.702; OKLCH L 86.9% C 0.168 H 155.4°. Best body text is #000000 at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#66F4A3
RGB	rgb(102, 244, 163)
HSL	hsl(146, 87%, 68%)
HSV	hsv(146, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 33.2%, 4.3%)
CIE-LAB	lab(87.08, -56.24, 27.82)
CIE-LCH	lch(87.08, 62.74, 153.68°)
OKLab	oklab(86.91% -0.1528 0.0701)
OKLCH	oklch(86.91% 0.168 155.4)
XYZ	xyz(44.4373, 70.1662, 45.8449)
Luminance	0.7017 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4A3 #F466B7

analogous

#70F466 #66F4A3 #66F4EA

triadic

#66F4A3 #A366F4 #F4A366

tetradic

#66F4A3 #6670F4 #F466B7 #F4EA66

square

#66F4A3 #6670F4 #F466B7 #F4EA66

split-complementary

#66F4A3 #EA66F4 #F46670

monochromatic

#0FD162 #2DF081 #66F4A3 #9FF8C5 #D8FCE8

Accessibility & contrast

On white

1.40

#66F4A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.03

#66F4A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4A3

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4A3	#FFFFFF	#000000	##000000
##66F4A3	1.00	1.40	15.03	15.03
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.03	21.00	1.00	1.00
##000000	15.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3E29E

Deuteranopia (green-blind)

#E0D5A8

Tritanopia (blue-blind)

#32F2DF

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f4a3;
/* rgb */ color: rgb(102, 244, 163);
/* oklch */ color: oklch(86.9% 0.168 155.4);

Tailwind

colors: {
  custom: {
    50: '#9df9be',
    500: '#66f4a3',
    950: '#000000',
  },
}

SCSS

$custom: #66f4a3;
$custom-light: #9df9be;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4a3",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 163
  },
  "hsl": {
    "h": 145.775,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86912,
    "c": 0.16814,
    "h": 155.4
  },
  "luminance": 0.7017
}

Semantic roles & 50–950 ramp

primary

#66F4A3

secondary

#CC328A

accent

#0283E3

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F4A3

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

Preview Lab → · Contrast checker → · Palette generator →