#66F979#66F979

#66F979 is a very light, highly saturated green. Relative luminance 0.720; OKLCH L 87.4% C 0.212 H 145.8°. Best body text is #000000 at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#66F979
RGB	rgb(102, 249, 121)
HSL	hsl(128, 92%, 69%)
HSV	hsv(128, 59%, 98%)
CMYK	cmyk(59%, 0%, 51.4%, 2.4%)
CIE-LAB	lab(87.95, -64.79, 49.48)
CIE-LCH	lch(87.95, 81.53, 142.63°)
OKLab	oklab(87.43% -0.1753 0.119)
OKLCH	oklch(87.43% 0.212 145.8)
XYZ	xyz(42.8037, 71.9526, 29.7180)
Luminance	0.7196 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F979 #F966E6

analogous

#9DF966 #66F979 #66F9C3

triadic

#66F979 #7966F9 #F97966

tetradic

#66F979 #669DF9 #F966E6 #F9C366

square

#66F979 #669DF9 #F966E6 #F9C366

split-complementary

#66F979 #C366F9 #F9669D

monochromatic

#09DC24 #2BF745 #66F979 #A1FBAD #DCFEE0

Accessibility & contrast

On white

1.36

#66F979 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.39

#66F979 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F979

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F979	#FFFFFF	#000000	##000000
##66F979	1.00	1.36	15.39	15.39
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.39	21.00	1.00	1.00
##000000	15.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE46E

Deuteranopia (green-blind)

#EAD882

Tritanopia (blue-blind)

#45F3DC

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f979;
/* rgb */ color: rgb(102, 249, 121);
/* oklch */ color: oklch(87.4% 0.212 145.8);

Tailwind

colors: {
  custom: {
    50: '#9ffca2',
    500: '#66f979',
    950: '#000000',
  },
}

SCSS

$custom: #66f979;
$custom-light: #9ffca2;
$custom-dark: #000000;

JSON

{
  "hex": "#66f979",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 121
  },
  "hsl": {
    "h": 127.755,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87425,
    "c": 0.21193,
    "h": 145.8
  },
  "luminance": 0.71957
}

Semantic roles & 50–950 ramp

primary

#66F979

secondary

#D330BE

accent

#00C8E6

background

#FDFFFC

surface

#F7FFF6

border

#D0D7D0

text

#10180F

muted

#818680

Preview Lab

Preview with #66F979

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

Preview Lab → · Contrast checker → · Palette generator →