#66EA91#66EA91

#66EA91 is a very light, vivid green. Relative luminance 0.637; OKLCH L 84.1% C 0.171 H 151.6°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#66EA91
RGB	rgb(102, 234, 145)
HSL	hsl(140, 76%, 66%)
HSV	hsv(140, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 38%, 8.2%)
CIE-LAB	lab(83.82, -55.51, 32.57)
CIE-LCH	lch(83.82, 64.36, 149.60°)
OKLab	oklab(84.14% -0.1504 0.0812)
OKLCH	oklch(84.14% 0.171 151.6)
XYZ	xyz(40.0102, 63.7111, 36.9716)
Luminance	0.6371 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA91 #EA66BF

analogous

#7DEA66 #66EA91 #66EAD3

triadic

#66EA91 #9166EA #EA9166

tetradic

#66EA91 #667DEA #EA66BF #EAD366

square

#66EA91 #667DEA #EA66BF #EAD366

split-complementary

#66EA91 #D366EA #EA667D

monochromatic

#1ABC4F #30E36A #66EA91 #9CF1B8 #D2F9DE

Accessibility & contrast

On white

1.53

#66EA91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.74

#66EA91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA91

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA91	#FFFFFF	#000000	##000000
##66EA91	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)

#EBD88B

Deuteranopia (green-blind)

#D9CC97

Tritanopia (blue-blind)

#41E7D4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea91;
/* rgb */ color: rgb(102, 234, 145);
/* oklch */ color: oklch(84.1% 0.171 151.6);

Tailwind

colors: {
  custom: {
    50: '#9cf2b2',
    500: '#66ea91',
    950: '#000000',
  },
}

SCSS

$custom: #66ea91;
$custom-light: #9cf2b2;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea91",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 145
  },
  "hsl": {
    "h": 139.545,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84138,
    "c": 0.17091,
    "h": 151.6
  },
  "luminance": 0.63715
}

Semantic roles & 50–950 ramp

primary

#66EA91

secondary

#BB3991

accent

#0D96D8

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EA91

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

Preview Lab → · Contrast checker → · Palette generator →