#66E780#66E780

#66E780 is a very light, vivid green. Relative luminance 0.615; OKLCH L 83.1% C 0.182 H 147.9°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#66E780
RGB	rgb(102, 231, 128)
HSL	hsl(132, 73%, 65%)
HSV	hsv(132, 56%, 91%)
CMYK	cmyk(55.8%, 0%, 44.6%, 9.4%)
CIE-LAB	lab(82.66, -57.10, 39.54)
CIE-LCH	lch(82.66, 69.45, 145.29°)
OKLab	oklab(83.11% -0.1545 0.0969)
OKLCH	oklch(83.11% 0.182 147.9)
XYZ	xyz(37.9492, 61.5317, 30.2949)
Luminance	0.6153 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E780 #E766CD

analogous

#8CE766 #66E780 #66E7C0

triadic

#66E780 #8066E7 #E78066

tetradic

#66E780 #668CE7 #E766CD #E7C066

square

#66E780 #668CE7 #E766CD #E7C066

split-complementary

#66E780 #C066E7 #E7668C

monochromatic

#1DB63B #31DF54 #66E780 #9BEFAC #D0F8D8

Accessibility & contrast

On white

1.58

#66E780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.31

#66E780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E780

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E780	#FFFFFF	#000000	##000000
##66E780	1.00	1.58	13.31	13.31
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.31	21.00	1.00	1.00
##000000	13.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D578

Deuteranopia (green-blind)

#D8C987

Tritanopia (blue-blind)

#49E3CE

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66e780;
/* rgb */ color: rgb(102, 231, 128);
/* oklch */ color: oklch(83.1% 0.182 147.9);

Tailwind

colors: {
  custom: {
    50: '#9cefa6',
    500: '#66e780',
    950: '#000000',
  },
}

SCSS

$custom: #66e780;
$custom-light: #9cefa6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e780",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 128
  },
  "hsl": {
    "h": 132.093,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83109,
    "c": 0.18243,
    "h": 147.9
  },
  "luminance": 0.61535
}

Semantic roles & 50–950 ramp

primary

#66E780

secondary

#B63B9D

accent

#11ADD5

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #66E780

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

Preview Lab → · Contrast checker → · Palette generator →