#66D74B#66D74B

#66D74B is a light, highly saturated green. Relative luminance 0.519; OKLCH L 78.5% C 0.206 H 140.0°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#66D74B
RGB	rgb(102, 215, 75)
HSL	hsl(108, 64%, 57%)
HSV	hsv(108, 65%, 84%)
CMYK	cmyk(52.6%, 0%, 65.1%, 15.7%)
CIE-LAB	lab(77.24, -57.54, 57.37)
CIE-LCH	lch(77.24, 81.25, 135.09°)
OKLab	oklab(78.46% -0.1578 0.1323)
OKLCH	oklch(78.46% 0.206 140)
XYZ	xyz(31.0486, 51.9312, 15.0428)
Luminance	0.5193 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D74B #BC4BD7

analogous

#ACD74B #66D74B #4BD776

triadic

#66D74B #4B66D7 #D74B66

tetradic

#66D74B #4BACD7 #BC4BD7 #D7764B

square

#66D74B #4BACD7 #BC4BD7 #D7764B

split-complementary

#66D74B #764BD7 #D74BAC

monochromatic

#33891E #46BB2A #66D74B #91E27D #BBEDAF

Accessibility & contrast

On white

1.84

#66D74B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#66D74B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D74B

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D74B	#FFFFFF	#000000	##000000
##66D74B	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC539

Deuteranopia (green-blind)

#CEBB57

Tritanopia (blue-blind)

#5AD0BA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d74b;
/* rgb */ color: rgb(102, 215, 75);
/* oklch */ color: oklch(78.5% 0.206 140.0);

Tailwind

colors: {
  custom: {
    50: '#9be483',
    500: '#66d74b',
    950: '#000000',
  },
}

SCSS

$custom: #66d74b;
$custom-light: #9be483;
$custom-dark: #000000;

JSON

{
  "hex": "#66d74b",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 75
  },
  "hsl": {
    "h": 108.429,
    "s": 63.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78458,
    "c": 0.20592,
    "h": 140
  },
  "luminance": 0.51934
}

Semantic roles & 50–950 ramp

primary

#66D74B

secondary

#7E378F

accent

#41E7C7

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D74B

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

Preview Lab → · Contrast checker → · Palette generator →