#66EA9A#66EA9A

#66EA9A is a very light, vivid green. Relative luminance 0.640; OKLCH L 84.3% C 0.163 H 154.2°. Best body text is #000000 at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#66EA9A
RGB	rgb(102, 234, 154)
HSL	hsl(144, 76%, 66%)
HSV	hsv(144, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 34.2%, 8.2%)
CIE-LAB	lab(83.97, -53.92, 28.20)
CIE-LCH	lch(83.97, 60.85, 152.39°)
OKLab	oklab(84.31% -0.1465 0.0709)
OKLCH	oklch(84.31% 0.163 154.2)
XYZ	xyz(40.7318, 63.9997, 40.7723)
Luminance	0.6400 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA9A #EA66B6

analogous

#74EA66 #66EA9A #66EADC

triadic

#66EA9A #9A66EA #EA9A66

tetradic

#66EA9A #6674EA #EA66B6 #EADC66

square

#66EA9A #6674EA #EA66B6 #EADC66

split-complementary

#66EA9A #DC66EA #EA6674

monochromatic

#1ABC5A #30E376 #66EA9A #9CF1BE #D2F9E1

Accessibility & contrast

On white

1.52

#66EA9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.80

#66EA9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA9A

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA9A	#FFFFFF	#000000	##000000
##66EA9A	1.00	1.52	13.80	13.80
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.80	21.00	1.00	1.00
##000000	13.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD995

Deuteranopia (green-blind)

#D8CC9F

Tritanopia (blue-blind)

#3CE8D5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea9a;
/* rgb */ color: rgb(102, 234, 154);
/* oklch */ color: oklch(84.3% 0.163 154.2);

Tailwind

colors: {
  custom: {
    50: '#9cf1b8',
    500: '#66ea9a',
    950: '#000000',
  },
}

SCSS

$custom: #66ea9a;
$custom-light: #9cf1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea9a",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 154
  },
  "hsl": {
    "h": 143.636,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84311,
    "c": 0.16272,
    "h": 154.2
  },
  "luminance": 0.64004
}

Semantic roles & 50–950 ramp

primary

#66EA9A

secondary

#BB3988

accent

#0D88D8

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EA9A

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

Preview Lab → · Contrast checker → · Palette generator →