#66CF50#66CF50

#66CF50 is a light, vivid green. Relative luminance 0.480; OKLCH L 76.5% C 0.192 H 140.3°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#66CF50
RGB	rgb(102, 207, 80)
HSL	hsl(110, 57%, 56%)
HSV	hsv(110, 61%, 81%)
CMYK	cmyk(50.7%, 0%, 61.4%, 18.8%)
CIE-LAB	lab(74.84, -54.03, 52.61)
CIE-LCH	lch(74.84, 75.41, 135.77°)
OKLab	oklab(76.5% -0.148 0.1227)
OKLCH	oklch(76.5% 0.192 140.3)
XYZ	xyz(29.2390, 48.0274, 15.3173)
Luminance	0.4803 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF50 #B950CF

analogous

#A6CF50 #66CF50 #50CF7A

triadic

#66CF50 #5066CF #CF5066

tetradic

#66CF50 #50A6CF #B950CF #CF7A50

square

#66CF50 #50A6CF #B950CF #CF7A50

split-complementary

#66CF50 #7A50CF #CF50A6

monochromatic

#348123 #47B131 #66CF50 #90DC80 #BAE9B0

Accessibility & contrast

On white

1.98

#66CF50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#66CF50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF50

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF50	#FFFFFF	#000000	##000000
##66CF50	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BE42

Deuteranopia (green-blind)

#C6B55A

Tritanopia (blue-blind)

#5BC9B4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf50;
/* rgb */ color: rgb(102, 207, 80);
/* oklch */ color: oklch(76.5% 0.192 140.3);

Tailwind

colors: {
  custom: {
    50: '#9ade86',
    500: '#66cf50',
    950: '#000000',
  },
}

SCSS

$custom: #66cf50;
$custom-light: #9ade86;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf50",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 80
  },
  "hsl": {
    "h": 109.606,
    "s": 56.951,
    "l": 56.275
  },
  "oklch": {
    "l": 0.765,
    "c": 0.19225,
    "h": 140.3
  },
  "luminance": 0.4803
}

Semantic roles & 50–950 ramp

primary

#66CF50

secondary

#CEA3D8

accent

#48E0C6

background

#FAFDF8

surface

#F3FBF0

border

#CDD4CB

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CF50

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

Preview Lab → · Contrast checker → · Palette generator →