#66F994#66F994

#66F994 is a very light, vivid green. Relative luminance 0.727; OKLCH L 87.8% C 0.188 H 150.9°. Best body text is #000000 at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#66F994
RGB	rgb(102, 249, 148)
HSL	hsl(139, 92%, 69%)
HSV	hsv(139, 59%, 98%)
CMYK	cmyk(59%, 0%, 40.6%, 2.4%)
CIE-LAB	lab(88.31, -60.79, 36.97)
CIE-LCH	lch(88.31, 71.15, 148.69°)
OKLab	oklab(87.84% -0.1644 0.0916)
OKLCH	oklch(87.84% 0.188 150.9)
XYZ	xyz(44.6971, 72.7100, 39.6902)
Luminance	0.7271 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F994 #F966CB

analogous

#82F966 #66F994 #66F9DE

triadic

#66F994 #9466F9 #F99466

tetradic

#66F994 #6682F9 #F966CB #F9DE66

square

#66F994 #6682F9 #F966CB #F9DE66

split-complementary

#66F994 #DE66F9 #F96682

monochromatic

#09DC4B #2BF76B #66F994 #A1FBBD #DCFEE6

Accessibility & contrast

On white

1.35

#66F994 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.54

#66F994 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F994

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F994	#FFFFFF	#000000	##000000
##66F994	1.00	1.35	15.54	15.54
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.54	21.00	1.00	1.00
##000000	15.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE68D

Deuteranopia (green-blind)

#E7D89B

Tritanopia (blue-blind)

#39F5E0

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f994;
/* rgb */ color: rgb(102, 249, 148);
/* oklch */ color: oklch(87.8% 0.188 150.9);

Tailwind

colors: {
  custom: {
    50: '#9efcb4',
    500: '#66f994',
    950: '#000000',
  },
}

SCSS

$custom: #66f994;
$custom-light: #9efcb4;
$custom-dark: #000000;

JSON

{
  "hex": "#66f994",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 148
  },
  "hsl": {
    "h": 138.776,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87842,
    "c": 0.1882,
    "h": 150.9
  },
  "luminance": 0.72714
}

Semantic roles & 50–950 ramp

primary

#66F994

secondary

#D330A0

accent

#009EE6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66F994

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

Preview Lab → · Contrast checker → · Palette generator →