#66FB9D#66FB9D

#66FB9D is a very light, vivid green. Relative luminance 0.743; OKLCH L 88.5% C 0.183 H 152.8°. Best body text is #000000 at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#66FB9D
RGB	rgb(102, 251, 157)
HSL	hsl(142, 95%, 69%)
HSV	hsv(142, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 37.5%, 1.6%)
CIE-LAB	lab(89.04, -60.03, 33.47)
CIE-LCH	lch(89.04, 68.73, 150.86°)
OKLab	oklab(88.49% -0.1625 0.0836)
OKLCH	oklch(88.49% 0.183 152.8)
XYZ	xyz(46.0588, 74.2490, 43.7960)
Luminance	0.7425 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB9D #FB66C4

analogous

#7AFB66 #66FB9D #66FBE8

triadic

#66FB9D #9D66FB #FB9D66

tetradic

#66FB9D #667AFB #FB66C4 #FBE866

square

#66FB9D #667AFB #FB66C4 #FBE866

split-complementary

#66FB9D #E866FB #FB667A

monochromatic

#06E157 #2AF977 #66FB9D #A2FDC3 #DDFEE9

Accessibility & contrast

On white

1.32

#66FB9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.85

#66FB9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB9D

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB9D	#FFFFFF	#000000	##000000
##66FB9D	1.00	1.32	15.85	15.85
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.85	21.00	1.00	1.00
##000000	15.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE897

Deuteranopia (green-blind)

#E7DAA3

Tritanopia (blue-blind)

#33F8E3

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fb9d;
/* rgb */ color: rgb(102, 251, 157);
/* oklch */ color: oklch(88.5% 0.183 152.8);

Tailwind

colors: {
  custom: {
    50: '#9efeba',
    500: '#66fb9d',
    950: '#000000',
  },
}

SCSS

$custom: #66fb9d;
$custom-light: #9efeba;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb9d",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 157
  },
  "hsl": {
    "h": 142.148,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88488,
    "c": 0.18277,
    "h": 152.8
  },
  "luminance": 0.74253
}

Semantic roles & 50–950 ramp

primary

#66FB9D

secondary

#D53098

accent

#0091E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101812

muted

#808682

Preview Lab

Preview with #66FB9D

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

Preview Lab → · Contrast checker → · Palette generator →