#66D348#66D348

#66D348 is a light, highly saturated green. Relative luminance 0.499; OKLCH L 77.4% C 0.203 H 139.6°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#66D348
RGB	rgb(102, 211, 72)
HSL	hsl(107, 61%, 55%)
HSV	hsv(107, 66%, 83%)
CMYK	cmyk(51.7%, 0%, 65.9%, 17.3%)
CIE-LAB	lab(75.99, -56.32, 57.24)
CIE-LCH	lch(75.99, 80.30, 134.54°)
OKLab	oklab(77.43% -0.1547 0.1317)
OKLCH	oklch(77.43% 0.203 139.6)
XYZ	xyz(29.9422, 49.8789, 14.1794)
Luminance	0.4988 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D348 #B548D3

analogous

#ACD348 #66D348 #48D36F

triadic

#66D348 #4866D3 #D34866

tetradic

#66D348 #48ACD3 #B548D3 #D36F48

square

#66D348 #48ACD3 #B548D3 #D36F48

split-complementary

#66D348 #6F48D3 #D348AC

monochromatic

#34811F #48B32B #66D348 #8FDF79 #B8EBAB

Accessibility & contrast

On white

1.91

#66D348 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#66D348 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D348

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D348	#FFFFFF	#000000	##000000
##66D348	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C136

Deuteranopia (green-blind)

#CBB854

Tritanopia (blue-blind)

#5BCCB7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d348;
/* rgb */ color: rgb(102, 211, 72);
/* oklch */ color: oklch(77.4% 0.203 139.6);

Tailwind

colors: {
  custom: {
    50: '#9be181',
    500: '#66d348',
    950: '#000000',
  },
}

SCSS

$custom: #66d348;
$custom-light: #9be181;
$custom-dark: #000000;

JSON

{
  "hex": "#66d348",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 72
  },
  "hsl": {
    "h": 107.05,
    "s": 61.233,
    "l": 55.49
  },
  "oklch": {
    "l": 0.77425,
    "c": 0.20313,
    "h": 139.6
  },
  "luminance": 0.49881
}

Semantic roles & 50–950 ramp

primary

#66D348

secondary

#CC9ED8

accent

#43E4C2

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66D348

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

Preview Lab → · Contrast checker → · Palette generator →