#66FE7B#66FE7B

#66FE7B is a very light, highly saturated green. Relative luminance 0.751; OKLCH L 88.7% C 0.216 H 146.0°. Best body text is #000000 at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#66FE7B
RGB	rgb(102, 254, 123)
HSL	hsl(128, 99%, 70%)
HSV	hsv(128, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 51.6%, 0.4%)
CIE-LAB	lab(89.46, -66.32, 50.40)
CIE-LCH	lch(89.46, 83.30, 142.77°)
OKLab	oklab(88.68% -0.1794 0.1212)
OKLCH	oklch(88.68% 0.217 146)
XYZ	xyz(44.4936, 75.1342, 30.8926)
Luminance	0.7514 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FE7B #FE66E9

analogous

#9DFE66 #66FE7B #66FEC7

triadic

#66FE7B #7B66FE #FE7B66

tetradic

#66FE7B #669DFE #FE66E9 #FEC766

square

#66FE7B #669DFE #FE66E9 #FEC766

split-complementary

#66FE7B #C766FE #FE669D

monochromatic

#02E821 #29FE47 #66FE7B #A3FEAF #E0FFE4

Accessibility & contrast

On white

1.31

#66FE7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.03

#66FE7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FE7B

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FE7B	#FFFFFF	#000000	##000000
##66FE7B	1.00	1.31	16.03	16.03
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.03	21.00	1.00	1.00
##000000	16.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96F

Deuteranopia (green-blind)

#EEDC85

Tritanopia (blue-blind)

#43F8E0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66fe7b;
/* rgb */ color: rgb(102, 254, 123);
/* oklch */ color: oklch(88.7% 0.216 146.0);

Tailwind

colors: {
  custom: {
    50: '#9fffa4',
    500: '#66fe7b',
    950: '#000000',
  },
}

SCSS

$custom: #66fe7b;
$custom-light: #9fffa4;
$custom-dark: #000000;

JSON

{
  "hex": "#66fe7b",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 123
  },
  "hsl": {
    "h": 128.289,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.88676,
    "c": 0.2165,
    "h": 146
  },
  "luminance": 0.75138
}

Semantic roles & 50–950 ramp

primary

#66FE7B

secondary

#D92FC2

accent

#00C6E6

background

#FDFFFC

surface

#F7FFF6

border

#D0D7D0

text

#10180F

muted

#818680

Preview Lab

Preview with #66FE7B

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

Preview Lab → · Contrast checker → · Palette generator →