#66EA90#66EA90

#66EA90 is a very light, vivid green. Relative luminance 0.637; OKLCH L 84.1% C 0.172 H 151.4°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#66EA90
RGB	rgb(102, 234, 144)
HSL	hsl(139, 76%, 66%)
HSV	hsv(139, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 38.5%, 8.2%)
CIE-LAB	lab(83.80, -55.68, 33.05)
CIE-LCH	lch(83.80, 64.75, 149.31°)
OKLab	oklab(84.12% -0.1508 0.0823)
OKLCH	oklch(84.12% 0.172 151.4)
XYZ	xyz(39.9334, 63.6804, 36.5673)
Luminance	0.6368 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA90 #EA66C0

analogous

#7EEA66 #66EA90 #66EAD2

triadic

#66EA90 #9066EA #EA9066

tetradic

#66EA90 #667EEA #EA66C0 #EAD266

square

#66EA90 #667EEA #EA66C0 #EAD266

split-complementary

#66EA90 #D266EA #EA667E

monochromatic

#1ABC4D #30E369 #66EA90 #9CF1B7 #D2F9DE

Accessibility & contrast

On white

1.53

#66EA90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.74

#66EA90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA90

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA90	#FFFFFF	#000000	##000000
##66EA90	1.00	1.53	13.74	13.74
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.74	21.00	1.00	1.00
##000000	13.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD88A

Deuteranopia (green-blind)

#D9CC96

Tritanopia (blue-blind)

#42E7D3

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea90;
/* rgb */ color: rgb(102, 234, 144);
/* oklch */ color: oklch(84.1% 0.172 151.4);

Tailwind

colors: {
  custom: {
    50: '#9cf2b1',
    500: '#66ea90',
    950: '#000000',
  },
}

SCSS

$custom: #66ea90;
$custom-light: #9cf2b1;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea90",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 144
  },
  "hsl": {
    "h": 139.091,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.8412,
    "c": 0.17182,
    "h": 151.4
  },
  "luminance": 0.63684
}

Semantic roles & 50–950 ramp

primary

#66EA90

secondary

#BB3992

accent

#0D98D8

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EA90

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

Preview Lab → · Contrast checker → · Palette generator →