#66E779#66E779

#66E779 is a very light, vivid green. Relative luminance 0.614; OKLCH L 83.0% C 0.189 H 146.5°. Best body text is #000000 at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#66E779
RGB	rgb(102, 231, 121)
HSL	hsl(129, 73%, 65%)
HSV	hsv(129, 56%, 91%)
CMYK	cmyk(55.8%, 0%, 47.6%, 9.4%)
CIE-LAB	lab(82.57, -58.13, 42.84)
CIE-LCH	lch(82.57, 72.21, 143.61°)
OKLab	oklab(83% -0.1574 0.1041)
OKLCH	oklch(83% 0.189 146.5)
XYZ	xyz(37.5042, 61.3538, 27.9515)
Luminance	0.6136 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E779 #E766D4

analogous

#94E766 #66E779 #66E7B9

triadic

#66E779 #7966E7 #E77966

tetradic

#66E779 #6694E7 #E766D4 #E7B966

square

#66E779 #6694E7 #E766D4 #E7B966

split-complementary

#66E779 #B966E7 #E76694

monochromatic

#1DB633 #31DF4B #66E779 #9BEFA7 #D0F8D6

Accessibility & contrast

On white

1.58

#66E779 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.27

#66E779 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E779

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E779	#FFFFFF	#000000	##000000
##66E779	1.00	1.58	13.27	13.27
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.27	21.00	1.00	1.00
##000000	13.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD570

Deuteranopia (green-blind)

#D9C981

Tritanopia (blue-blind)

#4BE2CD

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e779;
/* rgb */ color: rgb(102, 231, 121);
/* oklch */ color: oklch(83.0% 0.189 146.5);

Tailwind

colors: {
  custom: {
    50: '#9cefa1',
    500: '#66e779',
    950: '#000000',
  },
}

SCSS

$custom: #66e779;
$custom-light: #9cefa1;
$custom-dark: #000000;

JSON

{
  "hex": "#66e779",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 121
  },
  "hsl": {
    "h": 128.837,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83,
    "c": 0.18874,
    "h": 146.5
  },
  "luminance": 0.61357
}

Semantic roles & 50–950 ramp

primary

#66E779

secondary

#B63BA4

accent

#11B8D5

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F170F

muted

#808580

Preview Lab

Preview with #66E779

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

Preview Lab → · Contrast checker → · Palette generator →