#66F996#66F996

#66F996 is a very light, vivid green. Relative luminance 0.728; OKLCH L 87.9% C 0.186 H 151.3°. Best body text is #000000 at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#66F996
RGB	rgb(102, 249, 150)
HSL	hsl(140, 92%, 69%)
HSV	hsv(140, 59%, 98%)
CMYK	cmyk(59%, 0%, 39.8%, 2.4%)
CIE-LAB	lab(88.34, -60.46, 36.03)
CIE-LCH	lch(88.34, 70.38, 149.21°)
OKLab	oklab(87.88% -0.1635 0.0894)
OKLCH	oklch(87.88% 0.186 151.3)
XYZ	xyz(44.8568, 72.7738, 40.5311)
Luminance	0.7278 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F996 #F966C9

analogous

#80F966 #66F996 #66F9E0

triadic

#66F996 #9666F9 #F99666

tetradic

#66F996 #6680F9 #F966C9 #F9E066

square

#66F996 #6680F9 #F966C9 #F9E066

split-complementary

#66F996 #E066F9 #F96680

monochromatic

#09DC4E #2BF76E #66F996 #A1FBBE #DCFEE7

Accessibility & contrast

On white

1.35

#66F996 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.56

#66F996 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F996

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F996	#FFFFFF	#000000	##000000
##66F996	1.00	1.35	15.56	15.56
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.56	21.00	1.00	1.00
##000000	15.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE68F

Deuteranopia (green-blind)

#E6D89C

Tritanopia (blue-blind)

#38F5E0

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f996;
/* rgb */ color: rgb(102, 249, 150);
/* oklch */ color: oklch(87.9% 0.186 151.3);

Tailwind

colors: {
  custom: {
    50: '#9efcb6',
    500: '#66f996',
    950: '#000000',
  },
}

SCSS

$custom: #66f996;
$custom-light: #9efcb6;
$custom-dark: #000000;

JSON

{
  "hex": "#66f996",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 150
  },
  "hsl": {
    "h": 139.592,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87877,
    "c": 0.1864,
    "h": 151.3
  },
  "luminance": 0.72778
}

Semantic roles & 50–950 ramp

primary

#66F996

secondary

#D3309E

accent

#009BE6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66F996

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

Preview Lab → · Contrast checker → · Palette generator →