#66D33C#66D33C

#66D33C is a light, highly saturated green. Relative luminance 0.497; OKLCH L 77.3% C 0.211 H 138.5°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#66D33C
RGB	rgb(102, 211, 60)
HSL	hsl(103, 63%, 53%)
HSV	hsv(103, 72%, 83%)
CMYK	cmyk(51.7%, 0%, 71.6%, 17.3%)
CIE-LAB	lab(75.91, -57.29, 61.74)
CIE-LCH	lch(75.91, 84.22, 132.86°)
OKLab	oklab(77.33% -0.158 0.1396)
OKLCH	oklch(77.33% 0.211 138.5)
XYZ	xyz(29.5883, 49.7373, 12.3152)
Luminance	0.4974 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D33C #A93CD3

analogous

#B2D33C #66D33C #3CD35D

triadic

#66D33C #3C66D3 #D33C66

tetradic

#66D33C #3CB2D3 #A93CD3 #D35D3C

square

#66D33C #3CB2D3 #A93CD3 #D35D3C

split-complementary

#66D33C #5D3CD3 #D33CB2

monochromatic

#35791B #4BAB27 #66D33C #8DDE6E #B4EAA0

Accessibility & contrast

On white

1.92

#66D33C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#66D33C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D33C

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D33C	#FFFFFF	#000000	##000000
##66D33C	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C122

Deuteranopia (green-blind)

#CBB84B

Tritanopia (blue-blind)

#5DCCB5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d33c;
/* rgb */ color: rgb(102, 211, 60);
/* oklch */ color: oklch(77.3% 0.211 138.5);

Tailwind

colors: {
  custom: {
    50: '#9be17b',
    500: '#66d33c',
    950: '#000000',
  },
}

SCSS

$custom: #66d33c;
$custom-light: #9be17b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d33c",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 60
  },
  "hsl": {
    "h": 103.311,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.77326,
    "c": 0.21089,
    "h": 138.5
  },
  "luminance": 0.4974
}

Semantic roles & 50–950 ramp

primary

#66D33C

secondary

#C495D6

accent

#42E6B8

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D33C

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

Preview Lab → · Contrast checker → · Palette generator →