#66F6A4#66F6A4

#66F6A4 is a very light, vivid green. Relative luminance 0.714; OKLCH L 87.4% C 0.170 H 155.4°. Best body text is #000000 at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#66F6A4
RGB	rgb(102, 246, 164)
HSL	hsl(146, 89%, 68%)
HSV	hsv(146, 59%, 96%)
CMYK	cmyk(58.5%, 0%, 33.3%, 3.5%)
CIE-LAB	lab(87.68, -56.84, 28.13)
CIE-LCH	lch(87.68, 63.42, 153.67°)
OKLab	oklab(87.42% -0.1544 0.0709)
OKLCH	oklch(87.42% 0.17 155.4)
XYZ	xyz(45.1323, 71.4123, 46.5203)
Luminance	0.7142 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F6A4 #F666B8

analogous

#70F666 #66F6A4 #66F6EC

triadic

#66F6A4 #A466F6 #F6A466

tetradic

#66F6A4 #6670F6 #F666B8 #F6EC66

square

#66F6A4 #6670F6 #F666B8 #F6EC66

split-complementary

#66F6A4 #EC66F6 #F66670

monochromatic

#0DD563 #2CF382 #66F6A4 #A0F9C6 #DAFDE9

Accessibility & contrast

On white

1.37

#66F6A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.28

#66F6A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F6A4

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F6A4	#FFFFFF	#000000	##000000
##66F6A4	1.00	1.37	15.28	15.28
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.28	21.00	1.00	1.00
##000000	15.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5E49F

Deuteranopia (green-blind)

#E2D6A9

Tritanopia (blue-blind)

#30F4E1

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f6a4;
/* rgb */ color: rgb(102, 246, 164);
/* oklch */ color: oklch(87.4% 0.170 155.4);

Tailwind

colors: {
  custom: {
    50: '#9dfabf',
    500: '#66f6a4',
    950: '#000000',
  },
}

SCSS

$custom: #66f6a4;
$custom-light: #9dfabf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f6a4",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 164
  },
  "hsl": {
    "h": 145.833,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.87415,
    "c": 0.16992,
    "h": 155.4
  },
  "luminance": 0.71417
}

Semantic roles & 50–950 ramp

primary

#66F6A4

secondary

#CF318B

accent

#0083E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F6A4

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

Preview Lab → · Contrast checker → · Palette generator →