#66D734#66D734

#66D734 is a light, highly saturated green. Relative luminance 0.517; OKLCH L 78.3% C 0.220 H 138.2°. Best body text is #000000 at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#66D734
RGB	rgb(102, 215, 52)
HSL	hsl(102, 67%, 52%)
HSV	hsv(102, 76%, 84%)
CMYK	cmyk(52.6%, 0%, 75.8%, 15.7%)
CIE-LAB	lab(77.08, -59.29, 65.62)
CIE-LCH	lch(77.08, 88.44, 132.10°)
OKLab	oklab(78.28% -0.1639 0.1467)
OKLCH	oklch(78.28% 0.22 138.2)
XYZ	xyz(30.3987, 51.6712, 11.6198)
Luminance	0.5167 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D734 #A534D7

analogous

#B8D734 #66D734 #34D754

triadic

#66D734 #3466D7 #D73466

tetradic

#66D734 #34B8D7 #A534D7 #D75434

square

#66D734 #34B8D7 #A534D7 #D75434

split-complementary

#66D734 #5434D7 #D734B8

monochromatic

#367918 #4CAC22 #66D734 #8DE167 #B3EB9A

Accessibility & contrast

On white

1.85

#66D734 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.33

#66D734 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D734

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D734	#FFFFFF	#000000	##000000
##66D734	1.00	1.85	11.33	11.33
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.33	21.00	1.00	1.00
##000000	11.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC40A

Deuteranopia (green-blind)

#CFBB46

Tritanopia (blue-blind)

#5DCFB8

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d734;
/* rgb */ color: rgb(102, 215, 52);
/* oklch */ color: oklch(78.3% 0.220 138.2);

Tailwind

colors: {
  custom: {
    50: '#9ce477',
    500: '#66d734',
    950: '#000000',
  },
}

SCSS

$custom: #66d734;
$custom-light: #9ce477;
$custom-dark: #000000;

JSON

{
  "hex": "#66d734",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 52
  },
  "hsl": {
    "h": 101.595,
    "s": 67.078,
    "l": 52.353
  },
  "oklch": {
    "l": 0.78279,
    "c": 0.21994,
    "h": 138.2
  },
  "luminance": 0.51674
}

Semantic roles & 50–950 ramp

primary

#66D734

secondary

#672E81

accent

#3EEAB5

background

#FCFEFB

surface

#F6FCF1

border

#D0D5CB

text

#0F1609

muted

#80847D

Preview Lab

Preview with #66D734

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

Preview Lab → · Contrast checker → · Palette generator →