#66D73A#66D73A

#66D73A is a light, highly saturated green. Relative luminance 0.517; OKLCH L 78.3% C 0.217 H 138.6°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#66D73A
RGB	rgb(102, 215, 58)
HSL	hsl(103, 66%, 54%)
HSV	hsv(103, 73%, 84%)
CMYK	cmyk(52.6%, 0%, 73%, 15.7%)
CIE-LAB	lab(77.12, -58.90, 63.66)
CIE-LCH	lch(77.12, 86.73, 132.77°)
OKLab	oklab(78.32% -0.1625 0.1434)
OKLCH	oklch(78.32% 0.217 138.6)
XYZ	xyz(30.5425, 51.7288, 12.3774)
Luminance	0.5173 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D73A #AB3AD7

analogous

#B4D73A #66D73A #3AD75C

triadic

#66D73A #3A66D7 #D73A66

tetradic

#66D73A #3AB4D7 #AB3AD7 #D75C3A

square

#66D73A #3AB4D7 #AB3AD7 #D75C3A

split-complementary

#66D73A #5C3AD7 #D73AB4

monochromatic

#357D19 #4BB024 #66D73A #8EE16D #B5ECA0

Accessibility & contrast

On white

1.85

#66D73A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.35

#66D73A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D73A

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D73A	#FFFFFF	#000000	##000000
##66D73A	1.00	1.85	11.35	11.35
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.35	21.00	1.00	1.00
##000000	11.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC41C

Deuteranopia (green-blind)

#CFBB4A

Tritanopia (blue-blind)

#5CD0B9

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d73a;
/* rgb */ color: rgb(102, 215, 58);
/* oklch */ color: oklch(78.3% 0.217 138.6);

Tailwind

colors: {
  custom: {
    50: '#9ce47a',
    500: '#66d73a',
    950: '#000000',
  },
}

SCSS

$custom: #66d73a;
$custom-light: #9ce47a;
$custom-dark: #000000;

JSON

{
  "hex": "#66d73a",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 58
  },
  "hsl": {
    "h": 103.185,
    "s": 66.245,
    "l": 53.529
  },
  "oklch": {
    "l": 0.78319,
    "c": 0.21673,
    "h": 138.6
  },
  "luminance": 0.51731
}

Semantic roles & 50–950 ramp

primary

#66D73A

secondary

#6D3185

accent

#3FE9B9

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66D73A

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

Preview Lab → · Contrast checker → · Palette generator →