#66E68B#66E68B

#66E68B is a very light, vivid green. Relative luminance 0.613; OKLCH L 83.1% C 0.171 H 150.5°. Best body text is #000000 at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#66E68B
RGB	rgb(102, 230, 139)
HSL	hsl(137, 72%, 65%)
HSV	hsv(137, 56%, 90%)
CMYK	cmyk(55.7%, 0%, 39.6%, 9.8%)
CIE-LAB	lab(82.53, -54.95, 33.89)
CIE-LCH	lch(82.53, 64.56, 148.34°)
OKLab	oklab(83.05% -0.1488 0.0842)
OKLCH	oklch(83.05% 0.171 150.5)
XYZ	xyz(38.4337, 61.2790, 34.2237)
Luminance	0.6128 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E68B #E666C1

analogous

#81E666 #66E68B #66E6CB

triadic

#66E68B #8B66E6 #E68B66

tetradic

#66E68B #6681E6 #E666C1 #E6CB66

square

#66E68B #6681E6 #E666C1 #E6CB66

split-complementary

#66E68B #CB66E6 #E66681

monochromatic

#1DB449 #31DD63 #66E68B #9BEFB3 #CFF7DB

Accessibility & contrast

On white

1.58

#66E68B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.26

#66E68B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E68B

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E68B	#FFFFFF	#000000	##000000
##66E68B	1.00	1.58	13.26	13.26
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.26	21.00	1.00	1.00
##000000	13.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D585

Deuteranopia (green-blind)

#D6C991

Tritanopia (blue-blind)

#45E2CF

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e68b;
/* rgb */ color: rgb(102, 230, 139);
/* oklch */ color: oklch(83.1% 0.171 150.5);

Tailwind

colors: {
  custom: {
    50: '#9befae',
    500: '#66e68b',
    950: '#000000',
  },
}

SCSS

$custom: #66e68b;
$custom-light: #9befae;
$custom-dark: #000000;

JSON

{
  "hex": "#66e68b",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 139
  },
  "hsl": {
    "h": 137.344,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.83052,
    "c": 0.17099,
    "h": 150.5
  },
  "luminance": 0.61282
}

Semantic roles & 50–950 ramp

primary

#66E68B

secondary

#B53C92

accent

#129CD4

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1610

muted

#808581

Preview Lab

Preview with #66E68B

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

Preview Lab → · Contrast checker → · Palette generator →