#66FB8F#66FB8F

#66FB8F is a very light, vivid green. Relative luminance 0.738; OKLCH L 88.2% C 0.195 H 149.6°. Best body text is #000000 at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#66FB8F
RGB	rgb(102, 251, 143)
HSL	hsl(137, 95%, 69%)
HSV	hsv(137, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 43%, 1.6%)
CIE-LAB	lab(88.83, -62.34, 40.10)
CIE-LCH	lch(88.83, 74.12, 147.25°)
OKLab	oklab(88.24% -0.1685 0.0987)
OKLCH	oklch(88.24% 0.195 149.6)
XYZ	xyz(44.9313, 73.7980, 37.8579)
Luminance	0.7380 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB8F #FB66D2

analogous

#88FB66 #66FB8F #66FBDA

triadic

#66FB8F #8F66FB #FB8F66

tetradic

#66FB8F #6688FB #FB66D2 #FBDA66

square

#66FB8F #6688FB #FB66D2 #FBDA66

split-complementary

#66FB8F #DA66FB #FB6688

monochromatic

#06E142 #2AF963 #66FB8F #A2FDBB #DDFEE6

Accessibility & contrast

On white

1.33

#66FB8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.76

#66FB8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB8F

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB8F	#FFFFFF	#000000	##000000
##66FB8F	1.00	1.33	15.76	15.76
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.76	21.00	1.00	1.00
##000000	15.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE787

Deuteranopia (green-blind)

#E9DA96

Tritanopia (blue-blind)

#3BF7E1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fb8f;
/* rgb */ color: rgb(102, 251, 143);
/* oklch */ color: oklch(88.2% 0.195 149.6);

Tailwind

colors: {
  custom: {
    50: '#9efeb1',
    500: '#66fb8f',
    950: '#000000',
  },
}

SCSS

$custom: #66fb8f;
$custom-light: #9efeb1;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb8f",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 143
  },
  "hsl": {
    "h": 136.51,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88243,
    "c": 0.19529,
    "h": 149.6
  },
  "luminance": 0.73802
}

Semantic roles & 50–950 ramp

primary

#66FB8F

secondary

#D530A8

accent

#00A6E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101811

muted

#808681

Preview Lab

Preview with #66FB8F

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

Preview Lab → · Contrast checker → · Palette generator →