#66E8A6#66E8A6

#66E8A6 is a very light, vivid green. Relative luminance 0.633; OKLCH L 84.1% C 0.149 H 158.5°. Best body text is #000000 at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#66E8A6
RGB	rgb(102, 232, 166)
HSL	hsl(150, 74%, 65%)
HSV	hsv(150, 56%, 91%)
CMYK	cmyk(56%, 0%, 28.4%, 9%)
CIE-LAB	lab(83.59, -50.83, 21.52)
CIE-LCH	lch(83.59, 55.20, 157.05°)
OKLab	oklab(84.08% -0.139 0.0547)
OKLCH	oklch(84.08% 0.149 158.5)
XYZ	xyz(41.2155, 63.2873, 46.1127)
Luminance	0.6329 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8A6 #E866A8

analogous

#67E866 #66E8A6 #66E8E7

triadic

#66E8A6 #A666E8 #E8A666

tetradic

#66E8A6 #6667E8 #E866A8 #E8E766

square

#66E8A6 #6667E8 #E866A8 #E8E766

split-complementary

#66E8A6 #E766E8 #E86667

monochromatic

#1CB869 #31E087 #66E8A6 #9BF0C5 #D0F8E4

Accessibility & contrast

On white

1.54

#66E8A6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.66

#66E8A6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8A6

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8A6	#FFFFFF	#000000	##000000
##66E8A6	1.00	1.54	13.66	13.66
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.66	21.00	1.00	1.00
##000000	13.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D8A2

Deuteranopia (green-blind)

#D4CBAA

Tritanopia (blue-blind)

#36E7D6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e8a6;
/* rgb */ color: rgb(102, 232, 166);
/* oklch */ color: oklch(84.1% 0.149 158.5);

Tailwind

colors: {
  custom: {
    50: '#9cf0c0',
    500: '#66e8a6',
    950: '#000000',
  },
}

SCSS

$custom: #66e8a6;
$custom-light: #9cf0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8a6",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 166
  },
  "hsl": {
    "h": 149.538,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84078,
    "c": 0.1494,
    "h": 158.5
  },
  "luminance": 0.63291
}

Semantic roles & 50–950 ramp

primary

#66E8A6

secondary

#B83A7A

accent

#1074D6

background

#FCFFFD

surface

#F5FEF9

border

#CFD6D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #66E8A6

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

Preview Lab → · Contrast checker → · Palette generator →