#66E8A4#66E8A4

#66E8A4 is a very light, vivid green. Relative luminance 0.632; OKLCH L 84.0% C 0.151 H 157.8°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#66E8A4
RGB	rgb(102, 232, 164)
HSL	hsl(149, 74%, 65%)
HSV	hsv(149, 56%, 91%)
CMYK	cmyk(56%, 0%, 29.3%, 9%)
CIE-LAB	lab(83.56, -51.22, 22.50)
CIE-LCH	lch(83.56, 55.95, 156.28°)
OKLab	oklab(84.04% -0.1399 0.0571)
OKLCH	oklch(84.04% 0.151 157.8)
XYZ	xyz(41.0334, 63.2145, 45.1540)
Luminance	0.6322 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8A4 #E866AA

analogous

#69E866 #66E8A4 #66E8E5

triadic

#66E8A4 #A466E8 #E8A466

tetradic

#66E8A4 #6669E8 #E866AA #E8E566

square

#66E8A4 #6669E8 #E866AA #E8E566

split-complementary

#66E8A4 #E566E8 #E86669

monochromatic

#1CB866 #31E084 #66E8A4 #9BF0C4 #D0F8E3

Accessibility & contrast

On white

1.54

#66E8A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#66E8A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8A4

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8A4	#FFFFFF	#000000	##000000
##66E8A4	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D8A0

Deuteranopia (green-blind)

#D4CBA8

Tritanopia (blue-blind)

#37E7D6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e8a4;
/* rgb */ color: rgb(102, 232, 164);
/* oklch */ color: oklch(84.0% 0.151 157.8);

Tailwind

colors: {
  custom: {
    50: '#9cf0bf',
    500: '#66e8a4',
    950: '#000000',
  },
}

SCSS

$custom: #66e8a4;
$custom-light: #9cf0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8a4",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 164
  },
  "hsl": {
    "h": 148.615,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84035,
    "c": 0.15114,
    "h": 157.8
  },
  "luminance": 0.63218
}

Semantic roles & 50–950 ramp

primary

#66E8A4

secondary

#B83A7C

accent

#1077D6

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66E8A4

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

Preview Lab → · Contrast checker → · Palette generator →