#66FE6B#66FE6B

#66FE6B is a very light, highly saturated green. Relative luminance 0.748; OKLCH L 88.5% C 0.229 H 143.9°. Best body text is #000000 at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#66FE6B
RGB	rgb(102, 254, 107)
HSL	hsl(122, 99%, 70%)
HSV	hsv(122, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 57.9%, 0.4%)
CIE-LAB	lab(89.28, -68.27, 57.38)
CIE-LCH	lch(89.28, 89.18, 139.96°)
OKLab	oklab(88.48% -0.1853 0.1353)
OKLCH	oklch(88.48% 0.229 143.9)
XYZ	xyz(43.5726, 74.7658, 26.0421)
Luminance	0.7477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FE6B #FE66F9

analogous

#ADFE66 #66FE6B #66FEB7

triadic

#66FE6B #6B66FE #FE6B66

tetradic

#66FE6B #66ADFE #FE66F9 #FEB766

square

#66FE6B #66ADFE #FE66F9 #FEB766

split-complementary

#66FE6B #B766FE #FE66AD

monochromatic

#02E809 #29FE30 #66FE6B #A3FEA6 #E0FFE1

Accessibility & contrast

On white

1.32

#66FE6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.95

#66FE6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FE6B

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FE6B	#FFFFFF	#000000	##000000
##66FE6B	1.00	1.32	15.95	15.95
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.95	21.00	1.00	1.00
##000000	15.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE85C

Deuteranopia (green-blind)

#F0DB77

Tritanopia (blue-blind)

#48F7DE

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fe6b;
/* rgb */ color: rgb(102, 254, 107);
/* oklch */ color: oklch(88.5% 0.229 143.9);

Tailwind

colors: {
  custom: {
    50: '#a0ff99',
    500: '#66fe6b',
    950: '#000000',
  },
}

SCSS

$custom: #66fe6b;
$custom-light: #a0ff99;
$custom-dark: #000000;

JSON

{
  "hex": "#66fe6b",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 107
  },
  "hsl": {
    "h": 121.974,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.88478,
    "c": 0.22942,
    "h": 143.9
  },
  "luminance": 0.7477
}

Semantic roles & 50–950 ramp

primary

#66FE6B

secondary

#D92FD3

accent

#00DEE6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FE6B

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

Preview Lab → · Contrast checker → · Palette generator →