#66E573#66E573

#66E573 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.4% C 0.191 H 145.5°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#66E573
RGB	rgb(102, 229, 115)
HSL	hsl(126, 71%, 65%)
HSV	hsv(126, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 49.8%, 10.2%)
CIE-LAB	lab(81.89, -58.21, 44.88)
CIE-LCH	lch(81.89, 73.50, 142.37°)
OKLab	oklab(82.42% -0.1578 0.1084)
OKLCH	oklch(82.42% 0.191 145.5)
XYZ	xyz(36.5911, 60.0980, 25.8881)
Luminance	0.6010 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E573 #E566D8

analogous

#98E566 #66E573 #66E5B3

triadic

#66E573 #7366E5 #E57366

tetradic

#66E573 #6698E5 #E566D8 #E5B366

square

#66E573 #6698E5 #E566D8 #E5B366

split-complementary

#66E573 #B366E5 #E56698

monochromatic

#1EB22D #32DC43 #66E573 #9AEEA3 #CFF7D3

Accessibility & contrast

On white

1.61

#66E573 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#66E573 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E573

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E573	#FFFFFF	#000000	##000000
##66E573	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D369

Deuteranopia (green-blind)

#D8C77B

Tritanopia (blue-blind)

#4EE0CB

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66e573;
/* rgb */ color: rgb(102, 229, 115);
/* oklch */ color: oklch(82.4% 0.191 145.5);

Tailwind

colors: {
  custom: {
    50: '#9cee9d',
    500: '#66e573',
    950: '#000000',
  },
}

SCSS

$custom: #66e573;
$custom-light: #9cee9d;
$custom-dark: #000000;

JSON

{
  "hex": "#66e573",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 115
  },
  "hsl": {
    "h": 126.142,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82419,
    "c": 0.19144,
    "h": 145.5
  },
  "luminance": 0.60101
}

Semantic roles & 50–950 ramp

primary

#66E573

secondary

#B33CA7

accent

#13BFD3

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F160E

muted

#80857F

Preview Lab

Preview with #66E573

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

Preview Lab → · Contrast checker → · Palette generator →