#66CB49#66CB49

#66CB49 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.4% C 0.192 H 139.4°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#66CB49
RGB	rgb(102, 203, 73)
HSL	hsl(107, 56%, 54%)
HSV	hsv(107, 64%, 80%)
CMYK	cmyk(49.8%, 0%, 64%, 20.4%)
CIE-LAB	lab(73.56, -53.18, 54.17)
CIE-LCH	lch(73.56, 75.91, 134.47°)
OKLab	oklab(75.42% -0.1461 0.1253)
OKLCH	oklch(75.42% 0.192 139.4)
XYZ	xyz(28.0369, 46.0156, 13.7065)
Luminance	0.4602 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CB49 #AE49CB

analogous

#A7CB49 #66CB49 #49CB6D

triadic

#66CB49 #4966CB #CB4966

tetradic

#66CB49 #49A7CB #AE49CB #CB6D49

square

#66CB49 #49A7CB #AE49CB #CB6D49

split-complementary

#66CB49 #6D49CB #CB49A7

monochromatic

#357722 #4AA730 #66CB49 #8ED979 #B6E6A8

Accessibility & contrast

On white

2.06

#66CB49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#66CB49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CB49

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CB49	#FFFFFF	#000000	##000000
##66CB49	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA39

Deuteranopia (green-blind)

#C3B154

Tritanopia (blue-blind)

#5DC5B0

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cb49;
/* rgb */ color: rgb(102, 203, 73);
/* oklch */ color: oklch(75.4% 0.192 139.4);

Tailwind

colors: {
  custom: {
    50: '#9adc81',
    500: '#66cb49',
    950: '#000000',
  },
}

SCSS

$custom: #66cb49;
$custom-light: #9adc81;
$custom-dark: #000000;

JSON

{
  "hex": "#66cb49",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 73
  },
  "hsl": {
    "h": 106.615,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.75422,
    "c": 0.19248,
    "h": 139.4
  },
  "luminance": 0.46018
}

Semantic roles & 50–950 ramp

primary

#66CB49

secondary

#C79CD4

accent

#49DFBD

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #66CB49

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

Preview Lab → · Contrast checker → · Palette generator →